| Ottawa to Seattle | 10 Hours 50 Minutes | How long from Ottawa to Seattle |
| George Town to Roatán | 1 Hours 18 Minutes | How long from George Town to Roatán |
| Osaka to Sydney | 13 Hours 21 Minutes | How long from Osaka to Sydney |
| George Town to Fort Lauderdale | 2 Hours 2 Minutes | How long from George Town to Fort Lauderdale |
| Osaka to Munich | 15 Hours 42 Minutes | How long from Osaka to Munich |
| Osaka to London | 15 Hours 57 Minutes | How long from Osaka to London |
| George Town to Kuala Lumpur | 30 Hours 30 Minutes | How long from George Town to Kuala Lumpur |
| Orlando to Roanoke | 5 Hours 26 Minutes | How long from Orlando to Roanoke |
| Orlando to Tallahassee | 3 Hours 19 Minutes | How long from Orlando to Tallahassee |
| Oslo to Krakow | 4 Hours 56 Minutes | How long from Oslo to Krakow |
| Oslo to Poland | 4 Hours 56 Minutes | How long from Oslo to Poland |
| Omaha to Vancouver | 8 Hours 41 Minutes | How long from Omaha to Vancouver |
| Ouagadougou to Kumasi | 3 Hours 49 Minutes | How long from Ouagadougou to Kumasi |
| Orlando to Bismarck, ND, United States | 6 Hours 55 Minutes | How long from Orlando to Bismarck, ND, United States |
| Orlando to Grand Forks | 6 Hours 28 Minutes | How long from Orlando to Grand Forks |
| Orlando to Wichita | 6 Hours 45 Minutes | How long from Orlando to Wichita |
| Orlando to Bristol | 7 Hours 2 Minutes | How long from Orlando to Bristol |
| Orlando to Duluth | 8 Hours 49 Minutes | How long from Orlando to Duluth |
| Oita to Okinawa | 6 Hours 16 Minutes | How long from Oita to Okinawa |
| Oita to Sapporo | 6 Hours 24 Minutes | How long from Oita to Sapporo |
| Osorno, Chile to Santiago | 3 Hours 32 Minutes | How long from Osorno, Chile to Santiago |
| Ottawa to Sarasota | 8 Hours 51 Minutes | How long from Ottawa to Sarasota |
| Oslo to Falkenberg | 4 Hours 26 Minutes | How long from Oslo to Falkenberg |
| Oklahoma City to Kansas City | 5 Hours 28 Minutes | How long from Oklahoma City to Kansas City |
| Omaha to Lagos | 18 Hours 30 Minutes | How long from Omaha to Lagos |
| Ouro Preto to Vitoria | 5 Hours 43 Minutes | How long from Ouro Preto to Vitoria |
| Ouagadougou to Nouakchott | 5 Hours 8 Minutes | How long from Ouagadougou to Nouakchott |
| Ouagadougou Airport to Dakar | 3 Hours 29 Minutes | How long from Ouagadougou Airport to Dakar |
| Oberammergau to Budapest | 7 Hours 5 Minutes | How long from Oberammergau to Budapest |
| Ottawa to Puerto Plata | 7 Hours 2 Minutes | How long from Ottawa to Puerto Plata |
| Ottawa to Samana International Airport - El Catey (AZS) | 6 Hours 37 Minutes | How long from Ottawa to Samana International Airport - El Catey (AZS) |
| Oaxaca to Querétaro | 2 Hours 15 Minutes | How long from Oaxaca to Querétaro |
| Oaxaca to Playa del Carmen | 5 Hours 36 Minutes | How long from Oaxaca to Playa del Carmen |
| Orlando to Stockholm | 12 Hours 22 Minutes | How long from Orlando to Stockholm |
| O'Hare Airport Chicago to Minneapolis−Saint Paul International Airport | 2 Hours 26 Minutes | How long from O'Hare Airport Chicago to Minneapolis−Saint Paul International Airport |
| Orlando International Airport to Dubai | 15 Hours 10 Minutes | How long from Orlando International Airport to Dubai |
| Orlando International Airport to Rome | 12 Hours 38 Minutes | How long from Orlando International Airport to Rome |
| Bucharest Otopeni Airport to Oradea | 1 Hours 2 Minutes | How long from Bucharest Otopeni Airport to Oradea |
| Osaka to Ōita Prefecture | 4 Hours 5 Minutes | How long from Osaka to Ōita Prefecture |
| Ostersund to Narvik | 9 Hours 34 Minutes | How long from Ostersund to Narvik |
| Ottawa to Miami | 8 Hours 7 Minutes | How long from Ottawa to Miami |
| Olathe to Prince George High School | 6 Hours 34 Minutes | How long from Olathe to Prince George High School |
| Oslo to Svalbard Airport (LYR) | 4 Hours 17 Minutes | How long from Oslo to Svalbard Airport (LYR) |
| Osaka to Hiroshima Station | 1 Hours 48 Minutes | How long from Osaka to Hiroshima Station |
| Oslo to Lakselv | 4 Hours 26 Minutes | How long from Oslo to Lakselv |
| Oita Station to Yokohama | 4 Hours 10 Minutes | How long from Oita Station to Yokohama |
| Oita Station to Osaka | 3 Hours 37 Minutes | How long from Oita Station to Osaka |
| Oakland to Burbank | 2 Hours 50 Minutes | How long from Oakland to Burbank |
| Oakville to Philadelphia | 5 Hours 25 Minutes | How long from Oakville to Philadelphia |
| Orlando to Guatemala City | 6 Hours 21 Minutes | How long from Orlando to Guatemala City |
| Oaxaca to Tuxtla Gutiérrez | 3 Hours 53 Minutes | How long from Oaxaca to Tuxtla Gutiérrez |
| Okinawa Prefecture to Nagoya | 3 Hours 11 Minutes | How long from Okinawa Prefecture to Nagoya |
| Orlando to Saskatoon | 8 Hours 47 Minutes | How long from Orlando to Saskatoon |
| Orem to Los Angeles | 5 Hours 32 Minutes | How long from Orem to Los Angeles |
| Ontario to San Antonio | 5 Hours 4 Minutes | How long from Ontario to San Antonio |
| Ontario to Niagara Falls | 9 Hours 34 Minutes | How long from Ontario to Niagara Falls |
| Orlando to Terre Haute | 7 Hours 9 Minutes | How long from Orlando to Terre Haute |
| Orlando International Airport to Santo Domingo | 3 Hours 40 Minutes | How long from Orlando International Airport to Santo Domingo |
| Oviedo to Santander | 17 Hours 56 Minutes | How long from Oviedo to Santander |
| Orly to Montpellier | 3 Hours 48 Minutes | How long from Orly to Montpellier |
| Tambo International Airport to Kinshasa | 4 Hours 16 Minutes | How long from Tambo International Airport to Kinshasa |
| Osaka to Kochi Prefecture | 4 Hours 4 Minutes | How long from Osaka to Kochi Prefecture |
| Orlando to Albuquerque | 6 Hours 57 Minutes | How long from Orlando to Albuquerque |
| Oklahoma City to Fishkill | 8 Hours 38 Minutes | How long from Oklahoma City to Fishkill |
| Omaha to San Diego | 5 Hours 43 Minutes | How long from Omaha to San Diego |
| Orlando to Greensboro | 5 Hours 31 Minutes | How long from Orlando to Greensboro |
| Ostersund to Stockholm Arlanda Airport | 2 Hours 30 Minutes | How long from Ostersund to Stockholm Arlanda Airport |
| Oslo to Sogndal Municipality | 3 Hours 36 Minutes | How long from Oslo to Sogndal Municipality |
| Odessa to El Paso | 21 Hours 46 Minutes | How long from Odessa to El Paso |
| Oakville to Chicago | 5 Hours 17 Minutes | How long from Oakville to Chicago |
| Orlando to San Pedro Sula | 7 Hours 13 Minutes | How long from Orlando to San Pedro Sula |
| Oklahoma State University to Seattle | 7 Hours 7 Minutes | How long from Oklahoma State University to Seattle |
| Olympia to Yellowstone National Park | 7 Hours 17 Minutes | How long from Olympia to Yellowstone National Park |
| Ohrid to Sarajevo | 8 Hours 47 Minutes | How long from Ohrid to Sarajevo |
| Orange to Melbourne International Airport | 25 Hours 3 Minutes | How long from Orange to Melbourne International Airport |
| Olbia-Tempio to Toulouse | 4 Hours 19 Minutes | How long from Olbia-Tempio to Toulouse |
| Osaka to Hawaii | 13 Hours 19 Minutes | How long from Osaka to Hawaii |
| Oslo Airport to Bodø | 1 Hours 44 Minutes | How long from Oslo Airport to Bodø |
| Omaha to Philadelphia | 4 Hours 51 Minutes | How long from Omaha to Philadelphia |
| Okinawa Prefecture to Shin-Kōbe Station | 4 Hours 9 Minutes | How long from Okinawa Prefecture to Shin-Kōbe Station |
| Okinawa Prefecture to Kobe | 3 Hours 30 Minutes | How long from Okinawa Prefecture to Kobe |
| Omaha to Quebec | 9 Hours 40 Minutes | How long from Omaha to Quebec |
| Ogallala to Broken Bow | 12 Hours 24 Minutes | How long from Ogallala to Broken Bow |
| Ogden to Ogallala | 8 Hours 2 Minutes | How long from Ogden to Ogallala |
| Oranjestad, Aruba to Brussels | 10 Hours 12 Minutes | How long from Oranjestad, Aruba to Brussels |
| Oxford to Bologna | 6 Hours 5 Minutes | How long from Oxford to Bologna |
| Oshawa to Montreal | 4 Hours 5 Minutes | How long from Oshawa to Montreal |
| Oslo Central Station to Trolltunga | 6 Hours 17 Minutes | How long from Oslo Central Station to Trolltunga |
| Oslo to Trolltunga | 6 Hours 3 Minutes | How long from Oslo to Trolltunga |
| Orlando to Portland | 8 Hours 19 Minutes | How long from Orlando to Portland |
| Orlando to Colorado Springs | 6 Hours 16 Minutes | How long from Orlando to Colorado Springs |
| Oslo to Belgrade | 6 Hours 0 Minutes | How long from Oslo to Belgrade |
| Oklahoma City to Boulder | 4 Hours 35 Minutes | How long from Oklahoma City to Boulder |
| Orlando International Airport to Las Vegas | 6 Hours 18 Minutes | How long from Orlando International Airport to Las Vegas |
| Osaka to Kagoshima Prefecture | 3 Hours 46 Minutes | How long from Osaka to Kagoshima Prefecture |
| Orlando Convention Center to Fort Worth | 6 Hours 7 Minutes | How long from Orlando Convention Center to Fort Worth |
| Oakland to Detroit | 7 Hours 33 Minutes | How long from Oakland to Detroit |
| Olbia-Tempio to Nice, France | 3 Hours 55 Minutes | How long from Olbia-Tempio to Nice, France |
| Olbia-Tempio to Copenhagen | 5 Hours 9 Minutes | How long from Olbia-Tempio to Copenhagen |
| Oklahoma City to Las Vegas | 4 Hours 59 Minutes | How long from Oklahoma City to Las Vegas |
| Oklahoma City to Shanghai | 22 Hours 17 Minutes | How long from Oklahoma City to Shanghai |
| Oranjestad, Aruba to Maracaibo | 2 Hours 13 Minutes | How long from Oranjestad, Aruba to Maracaibo |
| Oslo Central Station to Aarhus | 4 Hours 41 Minutes | How long from Oslo Central Station to Aarhus |
| Oslo to Bucharest | 6 Hours 41 Minutes | How long from Oslo to Bucharest |
| Oslo Airport to Molde | 1 Hours 29 Minutes | How long from Oslo Airport to Molde |
| Orlando International Airport to Anchorage | 10 Hours 54 Minutes | How long from Orlando International Airport to Anchorage |
| Ordos to Arxan | 10 Hours 44 Minutes | How long from Ordos to Arxan |
| Oklahoma City to Harlingen | 4 Hours 54 Minutes | How long from Oklahoma City to Harlingen |
| Oslo to Bastia, France | 6 Hours 44 Minutes | How long from Oslo to Bastia, France |
| Oslo to Ajaccio | 6 Hours 48 Minutes | How long from Oslo to Ajaccio |
| Ontario to Taipei | 17 Hours 28 Minutes | How long from Ontario to Taipei |
| Ottawa International Airport to Edinburgh Airport | 9 Hours 6 Minutes | How long from Ottawa International Airport to Edinburgh Airport |
| Orlando to Port Au Prince | 5 Hours 4 Minutes | How long from Orlando to Port Au Prince |
| Okinawa to Omitama | 3 Hours 15 Minutes | How long from Okinawa to Omitama |
| Orlando International Airport to Key West | 2 Hours 45 Minutes | How long from Orlando International Airport to Key West |
| Orange to Brisbane | 2 Hours 48 Minutes | How long from Orange to Brisbane |
| Osaka Airport Station to Kashima | 4 Hours 0 Minutes | How long from Osaka Airport Station to Kashima |
| Osaka Station to Kashima Station | 4 Hours 53 Minutes | How long from Osaka Station to Kashima Station |
| Optima to Willow | 6 Hours 51 Minutes | How long from Optima to Willow |
| Orlando to Madrid | 13 Hours 55 Minutes | How long from Orlando to Madrid |
| Bucharest Otopeni Airport to Dnipropetrovsk Oblast | 6 Hours 11 Minutes | How long from Bucharest Otopeni Airport to Dnipropetrovsk Oblast |
| Oklahoma City to Orlando | 4 Hours 52 Minutes | How long from Oklahoma City to Orlando |
| Omaha to Orlando | 5 Hours 4 Minutes | How long from Omaha to Orlando |
| Oakland to Victoria | 21 Hours 54 Minutes | How long from Oakland to Victoria |
| Orvieto to Sorrento Peninsula | 3 Hours 39 Minutes | How long from Orvieto to Sorrento Peninsula |
| Bucharest Otopeni Airport to Avram Iancu International Airport Cluj | 1 Hours 46 Minutes | How long from Bucharest Otopeni Airport to Avram Iancu International Airport Cluj |
| Orlando to Milwaukee | 5 Hours 31 Minutes | How long from Orlando to Milwaukee |
| Orlando to Rockford | 4 Hours 51 Minutes | How long from Orlando to Rockford |
| Oslo to Italy | 6 Hours 1 Minutes | How long from Oslo to Italy |
| Bucharest Otopeni Airport to Călan | 5 Hours 26 Minutes | How long from Bucharest Otopeni Airport to Călan |
| Orlando International Airport to Kingston Parish | 6 Hours 21 Minutes | How long from Orlando International Airport to Kingston Parish |
| Olbia-Tempio to Prague | 5 Hours 0 Minutes | How long from Olbia-Tempio to Prague |
| Orlando to Santiago | 12 Hours 39 Minutes | How long from Orlando to Santiago |
| Olbia-Tempio to Amsterdam | 4 Hours 50 Minutes | How long from Olbia-Tempio to Amsterdam |
| Olbia-Tempio to Lyon | 4 Hours 23 Minutes | How long from Olbia-Tempio to Lyon |
| Olbia-Tempio to Hamburg | 4 Hours 57 Minutes | How long from Olbia-Tempio to Hamburg |
| Orlando to Rio de Janeiro | 13 Hours 15 Minutes | How long from Orlando to Rio de Janeiro |
| Oran Province to Tangier | 5 Hours 29 Minutes | How long from Oran Province to Tangier |
| Orlando to Recife | 12 Hours 9 Minutes | How long from Orlando to Recife |
| Olbia-Tempio to Dusseldorf | 4 Hours 18 Minutes | How long from Olbia-Tempio to Dusseldorf |
| Olbia-Tempio to Hanover | 4 Hours 48 Minutes | How long from Olbia-Tempio to Hanover |
| Oreland to Mount Pleasant | 5 Hours 56 Minutes | How long from Oreland to Mount Pleasant |
| Oakland to Rome | 15 Hours 22 Minutes | How long from Oakland to Rome |
| Oakland to Paris | 14 Hours 32 Minutes | How long from Oakland to Paris |
| Orlando International Airport to Miami | 1 Hours 44 Minutes | How long from Orlando International Airport to Miami |
| Odessa to Budapest-Keleti | 7 Hours 19 Minutes | How long from Odessa to Budapest-Keleti |
| Oaxaca to Guadalajara | 4 Hours 29 Minutes | How long from Oaxaca to Guadalajara |
| Oita Station to Tokyo Station | 3 Hours 46 Minutes | How long from Oita Station to Tokyo Station |
| Ōita Prefecture to Tokyo | 2 Hours 13 Minutes | How long from Ōita Prefecture to Tokyo |
| Oita Station to Tokyo | 3 Hours 49 Minutes | How long from Oita Station to Tokyo |
| Oaxaca to Los Angeles | 5 Hours 51 Minutes | How long from Oaxaca to Los Angeles |
| Oaxaca to San Salvador | 5 Hours 24 Minutes | How long from Oaxaca to San Salvador |
| Orlando to Belfast, ME, United States | 8 Hours 34 Minutes | How long from Orlando to Belfast, ME, United States |
| Orsago to Thessaloniki | 9 Hours 50 Minutes | How long from Orsago to Thessaloniki |
| Oulu to Seinäjoki | 2 Hours 54 Minutes | How long from Oulu to Seinäjoki |
| Oaxaca to Villahermosa | 1 Hours 35 Minutes | How long from Oaxaca to Villahermosa |
| Oaxaca to Cancún | 5 Hours 30 Minutes | How long from Oaxaca to Cancún |
| Oslo to Bilbao | 6 Hours 10 Minutes | How long from Oslo to Bilbao |
| Oslo Central Station to Alicante | 6 Hours 52 Minutes | How long from Oslo Central Station to Alicante |
| Okinawa to Komatsu, Ishikawa Prefecture, Japan | 2 Hours 42 Minutes | How long from Okinawa to Komatsu, Ishikawa Prefecture, Japan |
| Orlando International Airport to Providence | 3 Hours 36 Minutes | How long from Orlando International Airport to Providence |
| Örebro County to Narvik | 9 Hours 12 Minutes | How long from Örebro County to Narvik |
| Oslo to Copenhagen | 4 Hours 2 Minutes | How long from Oslo to Copenhagen |
| George Town to Surabaya | 33 Hours 24 Minutes | How long from George Town to Surabaya |
| Oranjestad, Aruba to Barquisimeto | 1 Hours 7 Minutes | How long from Oranjestad, Aruba to Barquisimeto |
| Osaka to Bali | 10 Hours 59 Minutes | How long from Osaka to Bali |
| Ouarzazate Province to Casablanca | 2 Hours 1 Minutes | How long from Ouarzazate Province to Casablanca |
| Odessa to Ankara | 5 Hours 31 Minutes | How long from Odessa to Ankara |
| Odessa to Mayrhofen | 8 Hours 55 Minutes | How long from Odessa to Mayrhofen |
| Oranjestad, Aruba to Amsterdam | 10 Hours 18 Minutes | How long from Oranjestad, Aruba to Amsterdam |
| Oakland to Vancouver | 5 Hours 26 Minutes | How long from Oakland to Vancouver |
| Orly Airport to Havana | 10 Hours 42 Minutes | How long from Orly Airport to Havana |
| Oakville to Kingston | 7 Hours 27 Minutes | How long from Oakville to Kingston |
| Ozark to Clarksville | 9 Hours 21 Minutes | How long from Ozark to Clarksville |
| Omsk to Novosibirsk | 8 Hours 51 Minutes | How long from Omsk to Novosibirsk |
| Ontario to Leon, Guanajuato | 5 Hours 56 Minutes | How long from Ontario to Leon, Guanajuato |
| Orillia to Puerto Vallarta | 10 Hours 7 Minutes | How long from Orillia to Puerto Vallarta |
| Ozamiz City to Zamboanga | 4 Hours 17 Minutes | How long from Ozamiz City to Zamboanga |
| Omsk to Irkutsk | 4 Hours 36 Minutes | How long from Omsk to Irkutsk |
| Ottawa to Wilmington | 5 Hours 30 Minutes | How long from Ottawa to Wilmington |
| Omsk to Beijing | 10 Hours 49 Minutes | How long from Omsk to Beijing |
| Oakland to Tucson | 4 Hours 36 Minutes | How long from Oakland to Tucson |
| Orlando to Lawton | 6 Hours 10 Minutes | How long from Orlando to Lawton |
| Ottawa to Qualicum Beach | 8 Hours 29 Minutes | How long from Ottawa to Qualicum Beach |
| Odessa to Sofia Center | 21 Hours 44 Minutes | How long from Odessa to Sofia Center |
| Ostrava to Palma de Mallorca | 6 Hours 4 Minutes | How long from Ostrava to Palma de Mallorca |
| Okinawa to Bangkok | 5 Hours 40 Minutes | How long from Okinawa to Bangkok |
| Osaka to Chengdu | 8 Hours 38 Minutes | How long from Osaka to Chengdu |
| Osaka to Vladivostok | 7 Hours 23 Minutes | How long from Osaka to Vladivostok |
| Okinawa to Nanking, Jiangsu, China | 4 Hours 44 Minutes | How long from Okinawa to Nanking, Jiangsu, China |
| Okinawa to Hangzhou | 4 Hours 27 Minutes | How long from Okinawa to Hangzhou |
| Orlando to Asheville | 6 Hours 6 Minutes | How long from Orlando to Asheville |
| Okinawa to Xian | 10 Hours 3 Minutes | How long from Okinawa to Xian |
| Örnsköldsvik to Uppsala | 2 Hours 5 Minutes | How long from Örnsköldsvik to Uppsala |
| Okinawa to Tianjin | 4 Hours 51 Minutes | How long from Okinawa to Tianjin |
| Oslo to Narvik Station | 5 Hours 40 Minutes | How long from Oslo to Narvik Station |
| Osaka to Auckland | 14 Hours 22 Minutes | How long from Osaka to Auckland |
| Ottawa to Newcastle upon Tyne | 13 Hours 42 Minutes | How long from Ottawa to Newcastle upon Tyne |
| Odenton to Buffalo | 3 Hours 12 Minutes | How long from Odenton to Buffalo |
| Okinawa Prefecture to Nagasaki Airport | 1 Hours 34 Minutes | How long from Okinawa Prefecture to Nagasaki Airport |
| Ouagadougou to Casablanca | 4 Hours 30 Minutes | How long from Ouagadougou to Casablanca |
| Ouagadougou to Istanbul | 6 Hours 44 Minutes | How long from Ouagadougou to Istanbul |
| Ouagadougou to Paris | 6 Hours 37 Minutes | How long from Ouagadougou to Paris |
| Omaha to Los Angeles | 5 Hours 57 Minutes | How long from Omaha to Los Angeles |
| Omaha to Bangkok | 26 Hours 7 Minutes | How long from Omaha to Bangkok |
| Orlando to Zurich | 12 Hours 31 Minutes | How long from Orlando to Zurich |
| Odessa to Riga | 5 Hours 30 Minutes | How long from Odessa to Riga |
| Orlando International Airport to Mazatlán | 6 Hours 40 Minutes | How long from Orlando International Airport to Mazatlán |
| Osaka Station to Hakodate | 3 Hours 8 Minutes | How long from Osaka Station to Hakodate |
| Oulu to Inari | 6 Hours 7 Minutes | How long from Oulu to Inari |
| Omaha to Munich | 15 Hours 11 Minutes | How long from Omaha to Munich |
| Omaha to Stuttgart | 16 Hours 26 Minutes | How long from Omaha to Stuttgart |
| Orlando to Ronkonkoma | 5 Hours 5 Minutes | How long from Orlando to Ronkonkoma |
| Orlando to San Francisco | 8 Hours 33 Minutes | How long from Orlando to San Francisco |
| Osaka Station to Fukuoka Station | 3 Hours 44 Minutes | How long from Osaka Station to Fukuoka Station |
| Oakland to Kalispell, MT, United States | 3 Hours 39 Minutes | How long from Oakland to Kalispell, MT, United States |
| Old Delhi Railway Station to Ludhiana | 4 Hours 49 Minutes | How long from Old Delhi Railway Station to Ludhiana |
| Ozamiz City to Manila | 2 Hours 44 Minutes | How long from Ozamiz City to Manila |
| Ogden to Newark | 7 Hours 5 Minutes | How long from Ogden to Newark |
| Orlando to Havana | 4 Hours 43 Minutes | How long from Orlando to Havana |
| Örnsköldsvik to Boden | 4 Hours 41 Minutes | How long from Örnsköldsvik to Boden |
| Olney to Virginia Beach | 3 Hours 43 Minutes | How long from Olney to Virginia Beach |
| Örnsköldsvik to Stockholm | 2 Hours 5 Minutes | How long from Örnsköldsvik to Stockholm |
| Oakland to Copenhagen | 13 Hours 16 Minutes | How long from Oakland to Copenhagen |
| Oakland to Barcelona | 14 Hours 22 Minutes | How long from Oakland to Barcelona |
| Osaka to Hakodate Station | 2 Hours 59 Minutes | How long from Osaka to Hakodate Station |
| Ocala to Washington | 6 Hours 26 Minutes | How long from Ocala to Washington |
| Ottawa to Quebec | 4 Hours 8 Minutes | How long from Ottawa to Quebec |
| Odessa to Kaunas | 5 Hours 18 Minutes | How long from Odessa to Kaunas |
| Osaka to Kushiro | 3 Hours 34 Minutes | How long from Osaka to Kushiro |
| Osaka to Sapporo Station | 3 Hours 57 Minutes | How long from Osaka to Sapporo Station |
| Osaka Station to Sapporo Station | 4 Hours 5 Minutes | How long from Osaka Station to Sapporo Station |
| Oakland to Canada | 5 Hours 36 Minutes | How long from Oakland to Canada |
| Oakland to Spokane | 4 Hours 2 Minutes | How long from Oakland to Spokane |
| Oxnard to Portland | 5 Hours 17 Minutes | How long from Oxnard to Portland |
| Odenton to Niagara Falls | 4 Hours 14 Minutes | How long from Odenton to Niagara Falls |
| Okinawa to Daegu, South Korea | 2 Hours 28 Minutes | How long from Okinawa to Daegu, South Korea |
| Okinawa Island to Busan | 2 Hours 21 Minutes | How long from Okinawa Island to Busan |
| George Town to Langkawi | 31 Hours 4 Minutes | How long from George Town to Langkawi |
| Osaka Station to Busan | 4 Hours 49 Minutes | How long from Osaka Station to Busan |
| Osaka Station to Seoul | 5 Hours 32 Minutes | How long from Osaka Station to Seoul |
| Oakland to Sacramento | 1 Hours 29 Minutes | How long from Oakland to Sacramento |
| Osh, Kyrgyzstan to Novosibirsk | 3 Hours 59 Minutes | How long from Osh, Kyrgyzstan to Novosibirsk |
| Osh, Kyrgyzstan to Urumqi | 3 Hours 46 Minutes | How long from Osh, Kyrgyzstan to Urumqi |
| Omaha to Saint Petersburg, Russia | 18 Hours 54 Minutes | How long from Omaha to Saint Petersburg, Russia |
| Oslo Airport to Riga | 1 Hours 57 Minutes | How long from Oslo Airport to Riga |
| Oslo to Nowy Dwór Mazowiecki | 6 Hours 6 Minutes | How long from Oslo to Nowy Dwór Mazowiecki |
| Oslo to Palermo | 7 Hours 9 Minutes | How long from Oslo to Palermo |
| Oslo to Verona | 5 Hours 40 Minutes | How long from Oslo to Verona |
| Owensboro to Saint Louis, MO | 2 Hours 11 Minutes | How long from Owensboro to Saint Louis, MO |
| Oakdale to Milwaukee | 6 Hours 58 Minutes | How long from Oakdale to Milwaukee |
| Owensboro to Orlando | 3 Hours 20 Minutes | How long from Owensboro to Orlando |
| Orlando to Houston | 5 Hours 10 Minutes | How long from Orlando to Houston |
| Osaka Station to Shibuya | 2 Hours 58 Minutes | How long from Osaka Station to Shibuya |
| Odawara Station to Shin-osaka Station | 3 Hours 26 Minutes | How long from Odawara Station to Shin-osaka Station |
| Tambo International Airport to Parklands | 6 Hours 50 Minutes | How long from Tambo International Airport to Parklands |
| Oaxaca to San Patricio | 5 Hours 36 Minutes | How long from Oaxaca to San Patricio |
| Orlando to Charlottetown | 8 Hours 12 Minutes | How long from Orlando to Charlottetown |
| Ontario to Prince Edward Island | 15 Hours 16 Minutes | How long from Ontario to Prince Edward Island |
| Orlando to Cologne | 12 Hours 25 Minutes | How long from Orlando to Cologne |
| Orlando to Gatwick Airport | 11 Hours 6 Minutes | How long from Orlando to Gatwick Airport |
| Orsago to Paris | 6 Hours 4 Minutes | How long from Orsago to Paris |
| Orlando to Houston | 5 Hours 18 Minutes | How long from Orlando to Houston |
| Ohaupo to Loei Airport | 26 Hours 22 Minutes | How long from Ohaupo to Loei Airport |
| Orlando to Dusseldorf | 11 Hours 52 Minutes | How long from Orlando to Dusseldorf |
| Orlando to Paris | 12 Hours 22 Minutes | How long from Orlando to Paris |
| Orlando to Worcester | 14 Hours 43 Minutes | How long from Orlando to Worcester |
| Osaka to Okinawa Prefecture | 3 Hours 44 Minutes | How long from Osaka to Okinawa Prefecture |
| Omaha to Traverse City | 4 Hours 15 Minutes | How long from Omaha to Traverse City |
| Orbe to Paris | 4 Hours 55 Minutes | How long from Orbe to Paris |
| Ohrid to Zagreb | 9 Hours 5 Minutes | How long from Ohrid to Zagreb |
| Oaxaca to Puerto Vallarta | 4 Hours 53 Minutes | How long from Oaxaca to Puerto Vallarta |
| Ostrava to Milan | 7 Hours 20 Minutes | How long from Ostrava to Milan |
| Ostrava to Cork | 9 Hours 15 Minutes | How long from Ostrava to Cork |
| Oromocto to New York | 5 Hours 26 Minutes | How long from Oromocto to New York |
| Ouagadougou to Bamako | 1 Hours 39 Minutes | How long from Ouagadougou to Bamako |
| Ouagadougou to Addis Ababa | 6 Hours 45 Minutes | How long from Ouagadougou to Addis Ababa |
| George Town to Ho Chi Minh City | 26 Hours 52 Minutes | How long from George Town to Ho Chi Minh City |
| Oakland to Sao Tome Island | 25 Hours 11 Minutes | How long from Oakland to Sao Tome Island |
| Orlando to Freeport, Bahamas | 4 Hours 8 Minutes | How long from Orlando to Freeport, Bahamas |
| Oakland to London | 13 Hours 38 Minutes | How long from Oakland to London |
| Oakland to Boise | 3 Hours 26 Minutes | How long from Oakland to Boise |
| George Town to Chicago | 5 Hours 0 Minutes | How long from George Town to Chicago |
| Oud-Turnhout to Berchtesgaden | 8 Hours 45 Minutes | How long from Oud-Turnhout to Berchtesgaden |
| Oud-Turnhout to Wörschach | 9 Hours 17 Minutes | How long from Oud-Turnhout to Wörschach |
| Oslo to Budapest | 5 Hours 30 Minutes | How long from Oslo to Budapest |
| Ottawa to Niagara Falls | 5 Hours 55 Minutes | How long from Ottawa to Niagara Falls |
| George Town to Johor Bahru | 29 Hours 39 Minutes | How long from George Town to Johor Bahru |
| Osaka to Izumo | 3 Hours 3 Minutes | How long from Osaka to Izumo |
| Oakland International Airport to Rosarito | 4 Hours 15 Minutes | How long from Oakland International Airport to Rosarito |
| Odessa to Dallas Love Field Airport | 20 Hours 0 Minutes | How long from Odessa to Dallas Love Field Airport |
| Oslo to Palanga | 4 Hours 58 Minutes | How long from Oslo to Palanga |
| Osaka to Kumamoto Station | 3 Hours 21 Minutes | How long from Osaka to Kumamoto Station |
| Oxnard to Boise | 6 Hours 31 Minutes | How long from Oxnard to Boise |
| Oslo Airport to Kristiansand, Norway | 1 Hours 38 Minutes | How long from Oslo Airport to Kristiansand, Norway |
| George Town to Malacca | 32 Hours 50 Minutes | How long from George Town to Malacca |
| Orlando to Suwannee County | 3 Hours 3 Minutes | How long from Orlando to Suwannee County |
| Osh to Dunhuang | 15 Hours 18 Minutes | How long from Osh to Dunhuang |
| Ostend to Tenerife | 9 Hours 0 Minutes | How long from Ostend to Tenerife |
| Omaha to Panama City | 8 Hours 57 Minutes | How long from Omaha to Panama City |
| Oslo Central Station to Stord | 2 Hours 42 Minutes | How long from Oslo Central Station to Stord |
| Olbia-Tempio to Munich | 4 Hours 43 Minutes | How long from Olbia-Tempio to Munich |
| Oklahoma City to Miami | 6 Hours 23 Minutes | How long from Oklahoma City to Miami |
| Oklahoma City to Colorado Springs | 5 Hours 24 Minutes | How long from Oklahoma City to Colorado Springs |
| Osaka to Theater District - Times Square | 18 Hours 32 Minutes | How long from Osaka to Theater District - Times Square |
| Olympia to Blaine | 3 Hours 14 Minutes | How long from Olympia to Blaine |
| Omaha to Portland | 4 Hours 38 Minutes | How long from Omaha to Portland |
| Omaha to Glendale | 5 Hours 42 Minutes | How long from Omaha to Glendale |
| Osaka to Ishigaki | 4 Hours 20 Minutes | How long from Osaka to Ishigaki |
| Olbia-Tempio to Stuttgart | 4 Hours 25 Minutes | How long from Olbia-Tempio to Stuttgart |
| Oshkosh to Theater District - Times Square | 5 Hours 29 Minutes | How long from Oshkosh to Theater District - Times Square |
| Omsk to Surgut | 3 Hours 36 Minutes | How long from Omsk to Surgut |
| Ottawa to Iqaluit | 4 Hours 47 Minutes | How long from Ottawa to Iqaluit |
| Oman to Iran | 2 Hours 7 Minutes | How long from Oman to Iran |
| Oromocto to Theater District - Times Square | 4 Hours 41 Minutes | How long from Oromocto to Theater District - Times Square |
| Odessa to Minsk | 2 Hours 46 Minutes | How long from Odessa to Minsk |
| Oxnard to Zamora | 12 Hours 2 Minutes | How long from Oxnard to Zamora |
| Orlando to Cuba | 6 Hours 56 Minutes | How long from Orlando to Cuba |
| Odessa to Vilnius | 2 Hours 8 Minutes | How long from Odessa to Vilnius |
| Oslo to Florø | 2 Hours 36 Minutes | How long from Oslo to Florø |
| Okinawa to Miyako | 9 Hours 2 Minutes | How long from Okinawa to Miyako |
| Olbia-Tempio to Barcelona | 4 Hours 13 Minutes | How long from Olbia-Tempio to Barcelona |
| Olbia-Tempio to Frankfurt | 4 Hours 40 Minutes | How long from Olbia-Tempio to Frankfurt |
| Olbia-Tempio to Geneva | 3 Hours 41 Minutes | How long from Olbia-Tempio to Geneva |
| Olbia-Tempio to Basel | 4 Hours 16 Minutes | How long from Olbia-Tempio to Basel |
| Oudomxay to Vientiane | 1 Hours 9 Minutes | How long from Oudomxay to Vientiane |
| Ozamis City to Manila | 2 Hours 18 Minutes | How long from Ozamis City to Manila |
| Ozamis City to Cebu | 1 Hours 13 Minutes | How long from Ozamis City to Cebu |
| Orlando to Kansas City | 5 Hours 55 Minutes | How long from Orlando to Kansas City |
| Odessa to Bourgas | 1 Hours 50 Minutes | How long from Odessa to Bourgas |
| Oakland International Airport to Mexico City | 4 Hours 41 Minutes | How long from Oakland International Airport to Mexico City |
| Oslo to Bodo | 2 Hours 50 Minutes | How long from Oslo to Bodo |
| Orlando International Airport to Indianapolis | 3 Hours 16 Minutes | How long from Orlando International Airport to Indianapolis |
| Orlando to Latrobe | 28 Hours 49 Minutes | How long from Orlando to Latrobe |
| Odessa to Thessaloniki | 2 Hours 18 Minutes | How long from Odessa to Thessaloniki |
| Olbia-Tempio to Madrid | 5 Hours 1 Minutes | How long from Olbia-Tempio to Madrid |
| Odessa to Burgas | 1 Hours 49 Minutes | How long from Odessa to Burgas |
| Odessa to Bucharest | 4 Hours 48 Minutes | How long from Odessa to Bucharest |
| Odessa to Sofia | 5 Hours 30 Minutes | How long from Odessa to Sofia |
| Odessa to Varna | 5 Hours 8 Minutes | How long from Odessa to Varna |
| Odessa to Athens | 5 Hours 8 Minutes | How long from Odessa to Athens |
| Oklahoma City to Fairbanks | 13 Hours 14 Minutes | How long from Oklahoma City to Fairbanks |
| Oklahoma City to Maui | 11 Hours 37 Minutes | How long from Oklahoma City to Maui |
| Oxnard to Tijuana | 3 Hours 32 Minutes | How long from Oxnard to Tijuana |
| Oak Harbor to Clarkston | 4 Hours 15 Minutes | How long from Oak Harbor to Clarkston |
| Oak Harbor to Lewiston | 13 Hours 8 Minutes | How long from Oak Harbor to Lewiston |
| Osaka to Miyako | 7 Hours 11 Minutes | How long from Osaka to Miyako |
| Orlando to Savannah | 4 Hours 54 Minutes | How long from Orlando to Savannah |
| Oslo to Hungary | 5 Hours 31 Minutes | How long from Oslo to Hungary |
| Oslo to Preveza | 9 Hours 22 Minutes | How long from Oslo to Preveza |
| Oslo to Sogndal | 2 Hours 39 Minutes | How long from Oslo to Sogndal |
| Oslo to Orsta | 3 Hours 45 Minutes | How long from Oslo to Orsta |
| Oslo to Førde | 3 Hours 46 Minutes | How long from Oslo to Førde |
| Oslo to Andenes | 4 Hours 10 Minutes | How long from Oslo to Andenes |
| Osaka to Hiroshima | 2 Hours 20 Minutes | How long from Osaka to Hiroshima |
| O'Fallon to Guadalajara | 7 Hours 39 Minutes | How long from O'Fallon to Guadalajara |
| Oakland to Idaho Falls | 7 Hours 5 Minutes | How long from Oakland to Idaho Falls |
| Oakland to Merced | 2 Hours 8 Minutes | How long from Oakland to Merced |
| Orlando to Youngstown | 5 Hours 27 Minutes | How long from Orlando to Youngstown |
| Orlando to McAllen | 5 Hours 57 Minutes | How long from Orlando to McAllen |
| Orlando to Worcester | 6 Hours 42 Minutes | How long from Orlando to Worcester |
| O'Fallon to San Luis Obispo | 7 Hours 43 Minutes | How long from O'Fallon to San Luis Obispo |
| Oslo to Miami | 12 Hours 49 Minutes | How long from Oslo to Miami |
| Osaka to Fukushima | 5 Hours 4 Minutes | How long from Osaka to Fukushima |
| Osaka to Masuda | 4 Hours 59 Minutes | How long from Osaka to Masuda |
| Okinawa to Ishigaki | 1 Hours 28 Minutes | How long from Okinawa to Ishigaki |
| Okinawa to Yonago | 5 Hours 54 Minutes | How long from Okinawa to Yonago |
| Oradea to Bucharest | 2 Hours 19 Minutes | How long from Oradea to Bucharest |
| Oran, Algeria to Aéroport Metz-Nancy-Lorraine | 2 Hours 35 Minutes | How long from Oran, Algeria to Aéroport Metz-Nancy-Lorraine |
| Oran, Algeria to Tindouf, Algeria | 2 Hours 31 Minutes | How long from Oran, Algeria to Tindouf, Algeria |
| Omaha to Wausau | 3 Hours 41 Minutes | How long from Omaha to Wausau |
| Osaka to Nantong | 7 Hours 37 Minutes | How long from Osaka to Nantong |
| Ottawa to Baku | 18 Hours 47 Minutes | How long from Ottawa to Baku |
| Osaka to Xian | 9 Hours 34 Minutes | How long from Osaka to Xian |
| Okayama, Japan to Hong Kong | 6 Hours 24 Minutes | How long from Okayama, Japan to Hong Kong |
| Osaka to Fuzhou | 6 Hours 34 Minutes | How long from Osaka to Fuzhou |
| Oakland to Reno | 2 Hours 41 Minutes | How long from Oakland to Reno |
| Orlando to St. John's International Airport | 7 Hours 23 Minutes | How long from Orlando to St. John's International Airport |
| Odessa to Tbilisi | 2 Hours 48 Minutes | How long from Odessa to Tbilisi |
| Orlando to Birmingham | 13 Hours 16 Minutes | How long from Orlando to Birmingham |
| Olympia to Reno | 6 Hours 1 Minutes | How long from Olympia to Reno |
| Olympia to Trenton | 10 Hours 25 Minutes | How long from Olympia to Trenton |
| Ocala to Toledo | 8 Hours 9 Minutes | How long from Ocala to Toledo |
| Orly Airport to Madrid-Barajas Airport | 2 Hours 4 Minutes | How long from Orly Airport to Madrid-Barajas Airport |
| Oslo Airport to Grimstad | 1 Hours 21 Minutes | How long from Oslo Airport to Grimstad |
| Oslo Airport to Amsterdam Airport | 1 Hours 50 Minutes | How long from Oslo Airport to Amsterdam Airport |
| Orlando to Kokomo | 8 Hours 16 Minutes | How long from Orlando to Kokomo |
| Ontario to Chicago | 4 Hours 33 Minutes | How long from Ontario to Chicago |
| Bucharest Otopeni Airport to Chisinau | 2 Hours 3 Minutes | How long from Bucharest Otopeni Airport to Chisinau |
| Orlando to Plattsburgh | 3 Hours 34 Minutes | How long from Orlando to Plattsburgh |
| Orlando Sanford International Airport to Canada | 5 Hours 33 Minutes | How long from Orlando Sanford International Airport to Canada |
| Oslo to University of Aalborg | 3 Hours 44 Minutes | How long from Oslo to University of Aalborg |
| Tambo International Airport to Miami | 22 Hours 17 Minutes | How long from Tambo International Airport to Miami |
| Odessa to Prague | 3 Hours 8 Minutes | How long from Odessa to Prague |
| Ogden to Lamar | 8 Hours 29 Minutes | How long from Ogden to Lamar |
| Oslo to Victoria Coach Station | 5 Hours 40 Minutes | How long from Oslo to Victoria Coach Station |
| Oranjestad, Aruba to Las Piedras | 12 Hours 46 Minutes | How long from Oranjestad, Aruba to Las Piedras |
| Orsago to Zurich | 5 Hours 10 Minutes | How long from Orsago to Zurich |
| Orsago to Zurich Airport | 4 Hours 47 Minutes | How long from Orsago to Zurich Airport |
| Okinawa Prefecture to Kumamoto | 2 Hours 9 Minutes | How long from Okinawa Prefecture to Kumamoto |
| Owerri to Bangui | 12 Hours 7 Minutes | How long from Owerri to Bangui |
| Ortachala to Baku | 2 Hours 25 Minutes | How long from Ortachala to Baku |
| Osaka to Chongqing | 8 Hours 49 Minutes | How long from Osaka to Chongqing |
| Osaka to Shenzhen | 8 Hours 5 Minutes | How long from Osaka to Shenzhen |
| Orlando International Airport to Venice | 12 Hours 47 Minutes | How long from Orlando International Airport to Venice |
| Oakland International Airport to Yosemite National Park | 3 Hours 56 Minutes | How long from Oakland International Airport to Yosemite National Park |
| Oran, Algeria to Frankfurt | 3 Hours 47 Minutes | How long from Oran, Algeria to Frankfurt |
| Ottawa to Murphy North Carolina | 10 Hours 29 Minutes | How long from Ottawa to Murphy North Carolina |
| Orange to Burlingame | 4 Hours 59 Minutes | How long from Orange to Burlingame |
| Ontario to Malta | 20 Hours 22 Minutes | How long from Ontario to Malta |
| Oslo to London | 5 Hours 27 Minutes | How long from Oslo to London |
| Orem to Saint George | 4 Hours 28 Minutes | How long from Orem to Saint George |
| Oakland International Airport to Phoenix Sky Harbor International Airport | 1 Hours 48 Minutes | How long from Oakland International Airport to Phoenix Sky Harbor International Airport |
| Bucharest Otopeni Airport to Cluj-Napoca | 1 Hours 6 Minutes | How long from Bucharest Otopeni Airport to Cluj-Napoca |
| Odessa to Kharkiv | 3 Hours 59 Minutes | How long from Odessa to Kharkiv |
| Oslo Central Station to Västerås | 4 Hours 11 Minutes | How long from Oslo Central Station to Västerås |
| Olbia-Tempio to Genoa | 3 Hours 32 Minutes | How long from Olbia-Tempio to Genoa |
| Oxford to Manchester | 2 Hours 47 Minutes | How long from Oxford to Manchester |
| Oslo to Palma de Mallorca | 6 Hours 23 Minutes | How long from Oslo to Palma de Mallorca |
| Orlando to Irving | 7 Hours 0 Minutes | How long from Orlando to Irving |
| Orion to Salem | 14 Hours 40 Minutes | How long from Orion to Salem |
| Oslo to Karlstad | 19 Hours 34 Minutes | How long from Oslo to Karlstad |
| Okinawa Island to Osaka | 3 Hours 16 Minutes | How long from Okinawa Island to Osaka |
| Oakland to Tijuana International Airport | 5 Hours 15 Minutes | How long from Oakland to Tijuana International Airport |
| Oslo to Besseggen | 3 Hours 55 Minutes | How long from Oslo to Besseggen |
| Oslo to Paris | 5 Hours 23 Minutes | How long from Oslo to Paris |
| Odessa to Budapest | 9 Hours 27 Minutes | How long from Odessa to Budapest |
| Oaxaca to Tijuana | 4 Hours 42 Minutes | How long from Oaxaca to Tijuana |
| Oita to Seoul | 5 Hours 27 Minutes | How long from Oita to Seoul |
| Oslo to Agadir | 8 Hours 18 Minutes | How long from Oslo to Agadir |
| Orlando to Bloomington, IL | 3 Hours 7 Minutes | How long from Orlando to Bloomington, IL |
| Orange to El Paso | 5 Hours 22 Minutes | How long from Orange to El Paso |
| Orlando to Aguadilla | 5 Hours 43 Minutes | How long from Orlando to Aguadilla |
| Oakland to Leon, Guanajuato | 6 Hours 46 Minutes | How long from Oakland to Leon, Guanajuato |
| Ouagadougou to Accra | 1 Hours 31 Minutes | How long from Ouagadougou to Accra |
| Ostend to Antalya | 8 Hours 3 Minutes | How long from Ostend to Antalya |
| Oran, Algeria to Rome | 3 Hours 18 Minutes | How long from Oran, Algeria to Rome |
| Orlando to San Antonio | 3 Hours 55 Minutes | How long from Orlando to San Antonio |
| Orlando to Little Rock, AR | 3 Hours 27 Minutes | How long from Orlando to Little Rock, AR |
| Tambo International Airport to Plettenberg Bay | 2 Hours 49 Minutes | How long from Tambo International Airport to Plettenberg Bay |
| Orlando to Peoria | 3 Hours 20 Minutes | How long from Orlando to Peoria |
| Ohrid to Saint-Louis, France | 2 Hours 53 Minutes | How long from Ohrid to Saint-Louis, France |
| Ohrid to Zurich | 2 Hours 52 Minutes | How long from Ohrid to Zurich |
| Orlando to Laredo | 7 Hours 33 Minutes | How long from Orlando to Laredo |
| Ouagadougou to Lagos | 3 Hours 26 Minutes | How long from Ouagadougou to Lagos |
| Omsk to Sochi | 7 Hours 30 Minutes | How long from Omsk to Sochi |
| Ostend to Malaga | 3 Hours 11 Minutes | How long from Ostend to Malaga |
| Owingsville to San Diego | 7 Hours 54 Minutes | How long from Owingsville to San Diego |
| Orlando to Toledo | 3 Hours 26 Minutes | How long from Orlando to Toledo |
| Oujda to Brussels | 4 Hours 31 Minutes | How long from Oujda to Brussels |
| Orenburg to Khudzhand | 3 Hours 15 Minutes | How long from Orenburg to Khudzhand |
| Ostend to Barcelona | 2 Hours 45 Minutes | How long from Ostend to Barcelona |
| Oviedo to Avilés | 15 Hours 1 Minutes | How long from Oviedo to Avilés |
| Osijek to Zagreb | 2 Hours 9 Minutes | How long from Osijek to Zagreb |
| Orlando to Tennessee | 2 Hours 22 Minutes | How long from Orlando to Tennessee |
| Orlando to Akron | 5 Hours 25 Minutes | How long from Orlando to Akron |
| Orlando to Eleuthera | 5 Hours 55 Minutes | How long from Orlando to Eleuthera |
| Ohrid to Brussels | 5 Hours 16 Minutes | How long from Ohrid to Brussels |
| Oujda to Amsterdam | 4 Hours 38 Minutes | How long from Oujda to Amsterdam |
| Orlando to Fort Wayne | 3 Hours 7 Minutes | How long from Orlando to Fort Wayne |
| Omsk to Saint Petersburg, FL, United States | 23 Hours 23 Minutes | How long from Omsk to Saint Petersburg, FL, United States |
| Omsk to Moscow | 6 Hours 38 Minutes | How long from Omsk to Moscow |
| Oestrich-Winkel to Blankenese | 5 Hours 21 Minutes | How long from Oestrich-Winkel to Blankenese |
| Osaka to La Tontouta | 11 Hours 28 Minutes | How long from Osaka to La Tontouta |
| Orenburg to Dushanbe | 3 Hours 6 Minutes | How long from Orenburg to Dushanbe |
| Ostrava to Kerkyra | 4 Hours 49 Minutes | How long from Ostrava to Kerkyra |
| Odessa to Vienna | 5 Hours 12 Minutes | How long from Odessa to Vienna |
| Omaha to Charlotte | 3 Hours 11 Minutes | How long from Omaha to Charlotte |
| Omaha to Saint Petersburg, FL, United States | 3 Hours 15 Minutes | How long from Omaha to Saint Petersburg, FL, United States |
| Oran, Algeria to Paris | 3 Hours 3 Minutes | How long from Oran, Algeria to Paris |
| Oklahoma City to Phoenix | 5 Hours 15 Minutes | How long from Oklahoma City to Phoenix |
| Odessa to Yerevan | 5 Hours 30 Minutes | How long from Odessa to Yerevan |
| Ostrava to Kos | 5 Hours 39 Minutes | How long from Ostrava to Kos |
| Oran, Algeria to Marseille | 2 Hours 23 Minutes | How long from Oran, Algeria to Marseille |
| Oslo to Kristiansund videregående skole | 2 Hours 27 Minutes | How long from Oslo to Kristiansund videregående skole |
| Olbia-Tempio to Vienna | 5 Hours 42 Minutes | How long from Olbia-Tempio to Vienna |
| Ottawa to St. John's International Airport | 5 Hours 38 Minutes | How long from Ottawa to St. John's International Airport |
| Ottawa to Holguin | 6 Hours 59 Minutes | How long from Ottawa to Holguin |
| Orlando to Cleveland | 5 Hours 42 Minutes | How long from Orlando to Cleveland |
| Orlando to Phoenix | 7 Hours 58 Minutes | How long from Orlando to Phoenix |
| Ostrava to Antalya | 6 Hours 18 Minutes | How long from Ostrava to Antalya |
| Ostrava to Rhodes | 6 Hours 4 Minutes | How long from Ostrava to Rhodes |
| Odessa to Baku | 6 Hours 26 Minutes | How long from Odessa to Baku |
| Oslo to Poznań | 5 Hours 17 Minutes | How long from Oslo to Poznań |
| Oran, Algeria to Lyon | 2 Hours 45 Minutes | How long from Oran, Algeria to Lyon |
| Oslo to Szczecin | 5 Hours 45 Minutes | How long from Oslo to Szczecin |
| Odessa to Tel Aviv-Yafo | 6 Hours 12 Minutes | How long from Odessa to Tel Aviv-Yafo |
| George Town to La Ceiba | 1 Hours 36 Minutes | How long from George Town to La Ceiba |
| Orlando to Sioux Falls | 4 Hours 2 Minutes | How long from Orlando to Sioux Falls |
| Orlando to Concord, NC | 10 Hours 8 Minutes | How long from Orlando to Concord, NC |
| Osaka Castle to Kansai International Airport | 37 Minutes | How long from Osaka Castle to Kansai International Airport |
| Oran, Algeria to Constantine | 1 Hours 43 Minutes | How long from Oran, Algeria to Constantine |
| Oran, Algeria to Casablanca | 2 Hours 50 Minutes | How long from Oran, Algeria to Casablanca |
| Oujda to Marseille | 3 Hours 34 Minutes | How long from Oujda to Marseille |
| Orlando to South Bend | 4 Hours 21 Minutes | How long from Orlando to South Bend |
| Orlando to Albany | 7 Hours 14 Minutes | How long from Orlando to Albany |
| Orlando to Saint Louis, MO | 5 Hours 48 Minutes | How long from Orlando to Saint Louis, MO |
| Okinawa to Niigata | 3 Hours 8 Minutes | How long from Okinawa to Niigata |
| Oslo to Tenerife | 10 Hours 3 Minutes | How long from Oslo to Tenerife |
| Oklahoma City to Charlotte | 5 Hours 38 Minutes | How long from Oklahoma City to Charlotte |