| Oregon City to Billings | 1125 km | How far from Oregon City to Billings |
| O'Hare Kiss-n-Fly to South Bend | 152 km | How far from O'Hare Kiss-n-Fly to South Bend |
| Oslo to Olbia-Tempio | 2150 km | How far from Oslo to Olbia-Tempio |
| Okayama, Japan to Taipei | 1620 km | How far from Okayama, Japan to Taipei |
| Osaka to Kathmandu | 4812 km | How far from Osaka to Kathmandu |
| Oslo to Stockholms Centralstation | 470 km | How far from Oslo to Stockholms Centralstation |
| Osaka to Haikou | 2989 km | How far from Osaka to Haikou |
| Otaru to Ueno Station | 916 km | How far from Otaru to Ueno Station |
| Ozamis City to Pitogo | 866 km | How far from Ozamis City to Pitogo |
| Old Saybrook to Montreal | 509 km | How far from Old Saybrook to Montreal |
| Ottawa to Prince Edward Island | 997 km | How far from Ottawa to Prince Edward Island |
| Ottawa to Gaspé | 952 km | How far from Ottawa to Gaspé |
| Oslo to Geiranger | 429 km | How far from Oslo to Geiranger |
| Osaka to Guiyang | 2914 km | How far from Osaka to Guiyang |
| Orlando to Madison | 1822 km | How far from Orlando to Madison |
| Oita to Busan | 369 km | How far from Oita to Busan |
| Osaka to Gwangju | 907 km | How far from Osaka to Gwangju |
| Oita to Gwangju | 626 km | How far from Oita to Gwangju |
| Tambo International Airport to Kasane | 985 km | How far from Tambo International Airport to Kasane |
| Orlando to Myrtle Beach | 653 km | How far from Orlando to Myrtle Beach |
| Orlando to Lafayette | 1458 km | How far from Orlando to Lafayette |
| Ohio 93 to Charlotte | 543 km | How far from Ohio 93 to Charlotte |
| Ólafsvík to Reykjavik | 192 km | How far from Ólafsvík to Reykjavik |
| Omsk to Nur-Sultan | 480 km | How far from Omsk to Nur-Sultan |
| Oslo to Beijing | 7059 km | How far from Oslo to Beijing |
| Okinawa to Kitakyushu, Japan | 952 km | How far from Okinawa to Kitakyushu, Japan |
| Oslo to Flåm | 299 km | How far from Oslo to Flåm |
| Ozamis City to Zamboanga | 246 km | How far from Ozamis City to Zamboanga |
| Oslo Airport to Prishtina | 2088 km | How far from Oslo Airport to Prishtina |
| Ottawa to Seattle | 3566 km | How far from Ottawa to Seattle |
| George Town to Roatán | 644 km | How far from George Town to Roatán |
| Osaka to Sydney | 7832 km | How far from Osaka to Sydney |
| George Town to Fort Lauderdale | 773 km | How far from George Town to Fort Lauderdale |
| Osaka to Munich | 9266 km | How far from Osaka to Munich |
| Osaka to London | 9540 km | How far from Osaka to London |
| George Town to Kuala Lumpur | 17524 km | How far from George Town to Kuala Lumpur |
| Orlando to Roanoke | 1016 km | How far from Orlando to Roanoke |
| Orlando to Tallahassee | 397 km | How far from Orlando to Tallahassee |
| Oslo to Krakow | 1313 km | How far from Oslo to Krakow |
| Oslo to Poland | 847 km | How far from Oslo to Poland |
| Omaha to Vancouver | 2308 km | How far from Omaha to Vancouver |
| Ouagadougou to Kumasi | 633 km | How far from Ouagadougou to Kumasi |
| Orlando to Bismarck, ND, United States | 2674 km | How far from Orlando to Bismarck, ND, United States |
| Orlando to Grand Forks | 2592 km | How far from Orlando to Grand Forks |
| Orlando to Wichita | 1848 km | How far from Orlando to Wichita |
| Orlando to Bristol | 1769 km | How far from Orlando to Bristol |
| Orlando to Duluth | 2292 km | How far from Orlando to Duluth |
| Oita to Okinawa | 957 km | How far from Oita to Okinawa |
| Oita to Sapporo | 1454 km | How far from Oita to Sapporo |
| Osorno, Chile to Santiago | 854 km | How far from Osorno, Chile to Santiago |
| Ottawa to Sarasota | 2106 km | How far from Ottawa to Sarasota |
| Oslo to Falkenberg | 394 km | How far from Oslo to Falkenberg |
| Oklahoma City to Kansas City | 556 km | How far from Oklahoma City to Kansas City |
| Omaha to Lagos | 10318 km | How far from Omaha to Lagos |
| Ouro Preto to Vitoria | 447 km | How far from Ouro Preto to Vitoria |
| Ouagadougou to Nouakchott | 1678 km | How far from Ouagadougou to Nouakchott |
| Ouagadougou Airport to Dakar | 1754 km | How far from Ouagadougou Airport to Dakar |
| Oberammergau to Budapest | 717 km | How far from Oberammergau to Budapest |
| Ottawa to Puerto Plata | 2915 km | How far from Ottawa to Puerto Plata |
| Ottawa to Samana International Airport - El Catey (AZS) | 2961 km | How far from Ottawa to Samana International Airport - El Catey (AZS) |
| Oaxaca to Querétaro | 536 km | How far from Oaxaca to Querétaro |
| Oaxaca to Playa del Carmen | 1131 km | How far from Oaxaca to Playa del Carmen |
| Orlando to Stockholm | 7845 km | How far from Orlando to Stockholm |
| O'Hare Airport Chicago to Minneapolis−Saint Paul International Airport | 545 km | How far from O'Hare Airport Chicago to Minneapolis−Saint Paul International Airport |
| Orlando International Airport to Dubai | 12492 km | How far from Orlando International Airport to Dubai |
| Orlando International Airport to Rome | 8254 km | How far from Orlando International Airport to Rome |
| Bucharest Otopeni Airport to Oradea | 423 km | How far from Bucharest Otopeni Airport to Oradea |
| Osaka to Ōita Prefecture | 444 km | How far from Osaka to Ōita Prefecture |
| Ostersund to Narvik | 787 km | How far from Ostersund to Narvik |
| Ottawa to Miami | 2236 km | How far from Ottawa to Miami |
| Olathe to Prince George High School | 1637 km | How far from Olathe to Prince George High School |
| Oslo to Svalbard Airport (LYR) | 2060 km | How far from Oslo to Svalbard Airport (LYR) |
| Osaka to Hiroshima Station | 306 km | How far from Osaka to Hiroshima Station |
| Oslo to Lakselv | 1318 km | How far from Oslo to Lakselv |
| Oita Station to Yokohama | 853 km | How far from Oita Station to Yokohama |
| Oita Station to Osaka | 443 km | How far from Oita Station to Osaka |
| Oakland to Burbank | 542 km | How far from Oakland to Burbank |
| Oakville to Philadelphia | 617 km | How far from Oakville to Philadelphia |
| Orlando to Guatemala City | 1845 km | How far from Orlando to Guatemala City |
| Oaxaca to Tuxtla Gutiérrez | 437 km | How far from Oaxaca to Tuxtla Gutiérrez |
| Okinawa Prefecture to Nagoya | 1347 km | How far from Okinawa Prefecture to Nagoya |
| Orlando to Saskatoon | 3402 km | How far from Orlando to Saskatoon |
| Orem to Los Angeles | 1019 km | How far from Orem to Los Angeles |
| Ontario to San Antonio | 1893 km | How far from Ontario to San Antonio |
| Ontario to Niagara Falls | 3543 km | How far from Ontario to Niagara Falls |
| Orlando to Terre Haute | 1491 km | How far from Orlando to Terre Haute |
| Orlando International Airport to Santo Domingo | 1639 km | How far from Orlando International Airport to Santo Domingo |
| Oviedo to Santander | 6969 km | How far from Oviedo to Santander |
| Orly to Montpellier | 600 km | How far from Orly to Montpellier |
| Tambo International Airport to Kinshasa | 2795 km | How far from Tambo International Airport to Kinshasa |
| Osaka to Kochi Prefecture | 259 km | How far from Osaka to Kochi Prefecture |
| Orlando to Albuquerque | 2528 km | How far from Orlando to Albuquerque |
| Oklahoma City to Fishkill | 2196 km | How far from Oklahoma City to Fishkill |
| Omaha to San Diego | 2123 km | How far from Omaha to San Diego |
| Orlando to Greensboro | 901 km | How far from Orlando to Greensboro |
| Ostersund to Stockholm Arlanda Airport | 445 km | How far from Ostersund to Stockholm Arlanda Airport |
| Oslo to Sogndal Municipality | 306 km | How far from Oslo to Sogndal Municipality |
| Odessa to El Paso | 10324 km | How far from Odessa to El Paso |
| Oakville to Chicago | 766 km | How far from Oakville to Chicago |
| Orlando to San Pedro Sula | 1629 km | How far from Orlando to San Pedro Sula |
| Oklahoma State University to Seattle | 2449 km | How far from Oklahoma State University to Seattle |
| Olympia to Yellowstone National Park | 1053 km | How far from Olympia to Yellowstone National Park |
| Ohrid to Sarajevo | 447 km | How far from Ohrid to Sarajevo |
| Orange to Melbourne International Airport | 15283 km | How far from Orange to Melbourne International Airport |
| Olbia-Tempio to Toulouse | 747 km | How far from Olbia-Tempio to Toulouse |
| Osaka to Hawaii | 6698 km | How far from Osaka to Hawaii |
| Oslo Airport to Bodø | 808 km | How far from Oslo Airport to Bodø |
| Omaha to Philadelphia | 1765 km | How far from Omaha to Philadelphia |
| Okinawa Prefecture to Shin-Kōbe Station | 1201 km | How far from Okinawa Prefecture to Shin-Kōbe Station |
| Okinawa Prefecture to Kobe | 1200 km | How far from Okinawa Prefecture to Kobe |
| Omaha to Quebec | 2066 km | How far from Omaha to Quebec |
| Ogallala to Broken Bow | 1350 km | How far from Ogallala to Broken Bow |
| Ogden to Ogallala | 964 km | How far from Ogden to Ogallala |
| Oranjestad, Aruba to Brussels | 7864 km | How far from Oranjestad, Aruba to Brussels |
| Oxford to Bologna | 1259 km | How far from Oxford to Bologna |
| Oshawa to Montreal | 484 km | How far from Oshawa to Montreal |
| Oslo Central Station to Trolltunga | 372 km | How far from Oslo Central Station to Trolltunga |
| Oslo to Trolltunga | 372 km | How far from Oslo to Trolltunga |
| Orlando to Portland | 4109 km | How far from Orlando to Portland |
| Orlando to Colorado Springs | 2478 km | How far from Orlando to Colorado Springs |
| Oslo to Belgrade | 1881 km | How far from Oslo to Belgrade |
| Oklahoma City to Boulder | 886 km | How far from Oklahoma City to Boulder |
| Orlando International Airport to Las Vegas | 3292 km | How far from Orlando International Airport to Las Vegas |
| Osaka to Kagoshima Prefecture | 576 km | How far from Osaka to Kagoshima Prefecture |
| Orlando Convention Center to Fort Worth | 1645 km | How far from Orlando Convention Center to Fort Worth |
| Oakland to Detroit | 3371 km | How far from Oakland to Detroit |
| Olbia-Tempio to Nice, France | 374 km | How far from Olbia-Tempio to Nice, France |
| Olbia-Tempio to Copenhagen | 1680 km | How far from Olbia-Tempio to Copenhagen |
| Oklahoma City to Las Vegas | 1619 km | How far from Oklahoma City to Las Vegas |
| Oklahoma City to Shanghai | 11602 km | How far from Oklahoma City to Shanghai |
| Oranjestad, Aruba to Maracaibo | 313 km | How far from Oranjestad, Aruba to Maracaibo |
| Oslo Central Station to Aarhus | 526 km | How far from Oslo Central Station to Aarhus |
| Oslo to Bucharest | 2066 km | How far from Oslo to Bucharest |
| Oslo Airport to Molde | 357 km | How far from Oslo Airport to Molde |
| Orlando International Airport to Anchorage | 6142 km | How far from Orlando International Airport to Anchorage |
| Ordos to Arxan | 1517 km | How far from Ordos to Arxan |
| Oklahoma City to Harlingen | 1046 km | How far from Oklahoma City to Harlingen |
| Oslo to Bastia, France | 2027 km | How far from Oslo to Bastia, France |
| Oslo to Ajaccio | 2091 km | How far from Oslo to Ajaccio |
| Ontario to Taipei | 10995 km | How far from Ontario to Taipei |
| Ottawa International Airport to Edinburgh Airport | 4988 km | How far from Ottawa International Airport to Edinburgh Airport |
| Orlando to Port Au Prince | 1455 km | How far from Orlando to Port Au Prince |
| Okinawa to Omitama | 1678 km | How far from Okinawa to Omitama |
| Orlando International Airport to Key West | 438 km | How far from Orlando International Airport to Key West |
| Orange to Brisbane | 794 km | How far from Orange to Brisbane |
| Osaka Airport Station to Kashima | 514 km | How far from Osaka Airport Station to Kashima |
| Osaka Station to Kashima Station | 688 km | How far from Osaka Station to Kashima Station |
| Optima to Willow | 1684 km | How far from Optima to Willow |
| Orlando to Madrid | 7057 km | How far from Orlando to Madrid |
| Bucharest Otopeni Airport to Dnipropetrovsk Oblast | 821 km | How far from Bucharest Otopeni Airport to Dnipropetrovsk Oblast |
| Oklahoma City to Orlando | 1757 km | How far from Oklahoma City to Orlando |
| Omaha to Orlando | 1967 km | How far from Omaha to Orlando |
| Oakland to Victoria | 12612 km | How far from Oakland to Victoria |
| Orvieto to Sorrento Peninsula | 356 km | How far from Orvieto to Sorrento Peninsula |
| Bucharest Otopeni Airport to Avram Iancu International Airport Cluj | 348 km | How far from Bucharest Otopeni Airport to Avram Iancu International Airport Cluj |
| Orlando to Milwaukee | 1732 km | How far from Orlando to Milwaukee |
| Orlando to Rockford | 1697 km | How far from Orlando to Rockford |
| Oslo to Italy | 1698 km | How far from Oslo to Italy |
| Bucharest Otopeni Airport to Călan | 339 km | How far from Bucharest Otopeni Airport to Călan |
| Orlando International Airport to Kingston Parish | 2368 km | How far from Orlando International Airport to Kingston Parish |
| Olbia-Tempio to Prague | 1105 km | How far from Olbia-Tempio to Prague |
| Orlando to Santiago | 7001 km | How far from Orlando to Santiago |
| Olbia-Tempio to Amsterdam | 1339 km | How far from Olbia-Tempio to Amsterdam |
| Olbia-Tempio to Lyon | 671 km | How far from Olbia-Tempio to Lyon |
| Olbia-Tempio to Hamburg | 1426 km | How far from Olbia-Tempio to Hamburg |
| Orlando to Rio de Janeiro | 7042 km | How far from Orlando to Rio de Janeiro |
| Oran Province to Tangier | 498 km | How far from Oran Province to Tangier |
| Orlando to Recife | 6453 km | How far from Orlando to Recife |
| Olbia-Tempio to Dusseldorf | 1177 km | How far from Olbia-Tempio to Dusseldorf |
| Olbia-Tempio to Hanover | 1304 km | How far from Olbia-Tempio to Hanover |
| Oreland to Mount Pleasant | 950 km | How far from Oreland to Mount Pleasant |
| Oakland to Rome | 10088 km | How far from Oakland to Rome |
| Oakland to Paris | 8997 km | How far from Oakland to Paris |
| Orlando International Airport to Miami | 322 km | How far from Orlando International Airport to Miami |
| Odessa to Budapest-Keleti | 899 km | How far from Odessa to Budapest-Keleti |
| Oaxaca to Guadalajara | 843 km | How far from Oaxaca to Guadalajara |
| Oita Station to Tokyo Station | 847 km | How far from Oita Station to Tokyo Station |
| Ōita Prefecture to Tokyo | 803 km | How far from Ōita Prefecture to Tokyo |
| Oita Station to Tokyo | 847 km | How far from Oita Station to Tokyo |
| Oaxaca to Los Angeles | 2883 km | How far from Oaxaca to Los Angeles |
| Oaxaca to San Salvador | 959 km | How far from Oaxaca to San Salvador |
| Orlando to Belfast, ME, United States | 2115 km | How far from Orlando to Belfast, ME, United States |
| Orsago to Thessaloniki | 1105 km | How far from Orsago to Thessaloniki |
| Oulu to Seinäjoki | 334 km | How far from Oulu to Seinäjoki |
| Oaxaca to Villahermosa | 453 km | How far from Oaxaca to Villahermosa |
| Oaxaca to Cancún | 1155 km | How far from Oaxaca to Cancún |
| Oslo to Bilbao | 2161 km | How far from Oslo to Bilbao |
| Oslo Central Station to Alicante | 2587 km | How far from Oslo Central Station to Alicante |
| Okinawa to Komatsu, Ishikawa Prefecture, Japan | 1435 km | How far from Okinawa to Komatsu, Ishikawa Prefecture, Japan |
| Orlando International Airport to Providence | 1740 km | How far from Orlando International Airport to Providence |
| Örebro County to Narvik | 1307 km | How far from Örebro County to Narvik |
| Oslo to Copenhagen | 486 km | How far from Oslo to Copenhagen |
| George Town to Surabaya | 18012 km | How far from George Town to Surabaya |
| Oranjestad, Aruba to Barquisimeto | 286 km | How far from Oranjestad, Aruba to Barquisimeto |
| Osaka to Bali | 5296 km | How far from Osaka to Bali |
| Ouarzazate Province to Casablanca | 312 km | How far from Ouarzazate Province to Casablanca |
| Odessa to Ankara | 785 km | How far from Odessa to Ankara |
| Odessa to Mayrhofen | 1537 km | How far from Odessa to Mayrhofen |
| Oranjestad, Aruba to Amsterdam | 7898 km | How far from Oranjestad, Aruba to Amsterdam |
| Oakland to Vancouver | 1304 km | How far from Oakland to Vancouver |
| Orly Airport to Havana | 7754 km | How far from Orly Airport to Havana |
| Oakville to Kingston | 2948 km | How far from Oakville to Kingston |
| Ozark to Clarksville | 765 km | How far from Ozark to Clarksville |
| Omsk to Novosibirsk | 617 km | How far from Omsk to Novosibirsk |
| Ontario to Leon, Guanajuato | 2182 km | How far from Ontario to Leon, Guanajuato |
| Orillia to Puerto Vallarta | 3638 km | How far from Orillia to Puerto Vallarta |
| Ozamiz City to Zamboanga | 245 km | How far from Ozamiz City to Zamboanga |
| Omsk to Irkutsk | 2064 km | How far from Omsk to Irkutsk |
| Ottawa to Wilmington | 674 km | How far from Ottawa to Wilmington |
| Omsk to Beijing | 3600 km | How far from Omsk to Beijing |
| Oakland to Tucson | 1229 km | How far from Oakland to Tucson |
| Orlando to Lawton | 1777 km | How far from Orlando to Lawton |
| Ottawa to Qualicum Beach | 3652 km | How far from Ottawa to Qualicum Beach |
| Odessa to Sofia Center | 10337 km | How far from Odessa to Sofia Center |
| Ostrava to Palma de Mallorca | 1695 km | How far from Ostrava to Palma de Mallorca |
| Okinawa to Bangkok | 3176 km | How far from Okinawa to Bangkok |
| Osaka to Chengdu | 3015 km | How far from Osaka to Chengdu |
| Osaka to Vladivostok | 1056 km | How far from Osaka to Vladivostok |
| Okinawa to Nanking, Jiangsu, China | 1125 km | How far from Okinawa to Nanking, Jiangsu, China |
| Okinawa to Hangzhou | 911 km | How far from Okinawa to Hangzhou |
| Orlando to Asheville | 811 km | How far from Orlando to Asheville |
| Okinawa to Xian | 2784 km | How far from Okinawa to Xian |
| Örnsköldsvik to Uppsala | 461 km | How far from Örnsköldsvik to Uppsala |
| Okinawa to Tianjin | 1769 km | How far from Okinawa to Tianjin |
| Oslo to Narvik Station | 1085 km | How far from Oslo to Narvik Station |
| Osaka to Auckland | 8995 km | How far from Osaka to Auckland |
| Ottawa to Newcastle upon Tyne | 5146 km | How far from Ottawa to Newcastle upon Tyne |
| Odenton to Buffalo | 484 km | How far from Odenton to Buffalo |
| Okinawa Prefecture to Nagasaki Airport | 782 km | How far from Okinawa Prefecture to Nagasaki Airport |
| Ouagadougou to Casablanca | 2451 km | How far from Ouagadougou to Casablanca |
| Ouagadougou to Istanbul | 4359 km | How far from Ouagadougou to Istanbul |
| Ouagadougou to Paris | 4079 km | How far from Ouagadougou to Paris |
| Omaha to Los Angeles | 2139 km | How far from Omaha to Los Angeles |
| Omaha to Bangkok | 13674 km | How far from Omaha to Bangkok |
| Orlando to Zurich | 7746 km | How far from Orlando to Zurich |
| Odessa to Riga | 1265 km | How far from Odessa to Riga |
| Orlando International Airport to Mazatlán | 2584 km | How far from Orlando International Airport to Mazatlán |
| Osaka Station to Hakodate | 927 km | How far from Osaka Station to Hakodate |
| Oulu to Inari | 485 km | How far from Oulu to Inari |
| Omaha to Munich | 7829 km | How far from Omaha to Munich |
| Omaha to Stuttgart | 7641 km | How far from Omaha to Stuttgart |
| Orlando to Ronkonkoma | 1588 km | How far from Orlando to Ronkonkoma |
| Orlando to San Francisco | 3961 km | How far from Orlando to San Francisco |
| Osaka Station to Fukuoka Station | 277 km | How far from Osaka Station to Fukuoka Station |
| Oakland to Kalispell, MT, United States | 1372 km | How far from Oakland to Kalispell, MT, United States |
| Old Delhi Railway Station to Ludhiana | 312 km | How far from Old Delhi Railway Station to Ludhiana |
| Ozamiz City to Manila | 795 km | How far from Ozamiz City to Manila |
| Ogden to Newark | 3236 km | How far from Ogden to Newark |
| Orlando to Havana | 650 km | How far from Orlando to Havana |
| Örnsköldsvik to Boden | 402 km | How far from Örnsköldsvik to Boden |
| Olney to Virginia Beach | 307 km | How far from Olney to Virginia Beach |
| Örnsköldsvik to Stockholm | 485 km | How far from Örnsköldsvik to Stockholm |
| Oakland to Copenhagen | 8825 km | How far from Oakland to Copenhagen |
| Oakland to Barcelona | 9599 km | How far from Oakland to Barcelona |
| Osaka to Hakodate Station | 927 km | How far from Osaka to Hakodate Station |
| Ocala to Washington | 1294 km | How far from Ocala to Washington |
| Ottawa to Quebec | 395 km | How far from Ottawa to Quebec |
| Odessa to Kaunas | 1075 km | How far from Odessa to Kaunas |
| Osaka to Kushiro | 1223 km | How far from Osaka to Kushiro |
| Osaka to Sapporo Station | 1078 km | How far from Osaka to Sapporo Station |
| Osaka Station to Sapporo Station | 1079 km | How far from Osaka Station to Sapporo Station |
| Oakland to Canada | 1304 km | How far from Oakland to Canada |
| Oakland to Spokane | 1197 km | How far from Oakland to Spokane |
| Oxnard to Portland | 1359 km | How far from Oxnard to Portland |
| Odenton to Niagara Falls | 515 km | How far from Odenton to Niagara Falls |
| Okinawa to Daegu, South Korea | 1113 km | How far from Okinawa to Daegu, South Korea |
| Okinawa Island to Busan | 1028 km | How far from Okinawa Island to Busan |
| George Town to Langkawi | 17162 km | How far from George Town to Langkawi |
| Osaka Station to Busan | 624 km | How far from Osaka Station to Busan |
| Osaka Station to Seoul | 913 km | How far from Osaka Station to Seoul |
| Oakland to Sacramento | 132 km | How far from Oakland to Sacramento |
| Osh, Kyrgyzstan to Novosibirsk | 1789 km | How far from Osh, Kyrgyzstan to Novosibirsk |
| Osh, Kyrgyzstan to Urumqi | 1303 km | How far from Osh, Kyrgyzstan to Urumqi |
| Omaha to Saint Petersburg, Russia | 7773 km | How far from Omaha to Saint Petersburg, Russia |
| Oslo Airport to Riga | 837 km | How far from Oslo Airport to Riga |
| Oslo to Nowy Dwór Mazowiecki | 1115 km | How far from Oslo to Nowy Dwór Mazowiecki |
| Oslo to Palermo | 2490 km | How far from Oslo to Palermo |
| Oslo to Verona | 1703 km | How far from Oslo to Verona |
| Owensboro to Saint Louis, MO | 327 km | How far from Owensboro to Saint Louis, MO |
| Oakdale to Milwaukee | 2914 km | How far from Oakdale to Milwaukee |
| Owensboro to Orlando | 1190 km | How far from Owensboro to Orlando |
| Orlando to Houston | 1400 km | How far from Orlando to Houston |
| Osaka Station to Shibuya | 438 km | How far from Osaka Station to Shibuya |
| Odawara Station to Shin-osaka Station | 439 km | How far from Odawara Station to Shin-osaka Station |
| Tambo International Airport to Parklands | 2917 km | How far from Tambo International Airport to Parklands |
| Oaxaca to San Patricio | 899 km | How far from Oaxaca to San Patricio |
| Orlando to Charlottetown | 2567 km | How far from Orlando to Charlottetown |
| Ontario to Prince Edward Island | 4895 km | How far from Ontario to Prince Edward Island |
| Orlando to Cologne | 7523 km | How far from Orlando to Cologne |
| Orlando to Gatwick Airport | 7013 km | How far from Orlando to Gatwick Airport |
| Orsago to Paris | 924 km | How far from Orsago to Paris |
| Orlando to Houston | 1399 km | How far from Orlando to Houston |
| Ohaupo to Loei Airport | 9885 km | How far from Ohaupo to Loei Airport |
| Orlando to Dusseldorf | 7475 km | How far from Orlando to Dusseldorf |
| Orlando to Paris | 7272 km | How far from Orlando to Paris |
| Orlando to Worcester | 6933 km | How far from Orlando to Worcester |
| Osaka to Okinawa Prefecture | 1228 km | How far from Osaka to Okinawa Prefecture |
| Omaha to Traverse City | 934 km | How far from Omaha to Traverse City |
| Orbe to Paris | 452 km | How far from Orbe to Paris |
| Ohrid to Zagreb | 827 km | How far from Ohrid to Zagreb |
| Oaxaca to Puerto Vallarta | 1006 km | How far from Oaxaca to Puerto Vallarta |
| Ostrava to Milan | 916 km | How far from Ostrava to Milan |
| Ostrava to Cork | 1917 km | How far from Ostrava to Cork |
| Oromocto to New York | 848 km | How far from Oromocto to New York |
| Ouagadougou to Bamako | 715 km | How far from Ouagadougou to Bamako |
| Ouagadougou to Addis Ababa | 4423 km | How far from Ouagadougou to Addis Ababa |
| George Town to Ho Chi Minh City | 16560 km | How far from George Town to Ho Chi Minh City |
| Oakland to Sao Tome Island | 7920 km | How far from Oakland to Sao Tome Island |
| Orlando to Freeport, Bahamas | 351 km | How far from Orlando to Freeport, Bahamas |
| Oakland to London | 8679 km | How far from Oakland to London |
| Oakland to Boise | 845 km | How far from Oakland to Boise |
| George Town to Chicago | 2589 km | How far from George Town to Chicago |
| Oud-Turnhout to Berchtesgaden | 800 km | How far from Oud-Turnhout to Berchtesgaden |
| Oud-Turnhout to Wörschach | 904 km | How far from Oud-Turnhout to Wörschach |
| Oslo to Budapest | 1584 km | How far from Oslo to Budapest |
| Ottawa to Niagara Falls | 500 km | How far from Ottawa to Niagara Falls |
| George Town to Johor Bahru | 17648 km | How far from George Town to Johor Bahru |
| Osaka to Izumo | 281 km | How far from Osaka to Izumo |
| Oakland International Airport to Rosarito | 776 km | How far from Oakland International Airport to Rosarito |
| Odessa to Dallas Love Field Airport | 9752 km | How far from Odessa to Dallas Love Field Airport |
| Oslo to Palanga | 805 km | How far from Oslo to Palanga |
| Osaka to Kumamoto Station | 521 km | How far from Osaka to Kumamoto Station |
| Oxnard to Boise | 1150 km | How far from Oxnard to Boise |
| Oslo Airport to Kristiansand, Norway | 297 km | How far from Oslo Airport to Kristiansand, Norway |
| George Town to Malacca | 17676 km | How far from George Town to Malacca |
| Orlando to Suwannee County | 285 km | How far from Orlando to Suwannee County |
| Osh to Dunhuang | 1868 km | How far from Osh to Dunhuang |
| Ostend to Tenerife | 3117 km | How far from Ostend to Tenerife |
| Omaha to Panama City | 3963 km | How far from Omaha to Panama City |
| Oslo Central Station to Stord | 384 km | How far from Oslo Central Station to Stord |
| Olbia-Tempio to Munich | 887 km | How far from Olbia-Tempio to Munich |
| Oklahoma City to Miami | 1984 km | How far from Oklahoma City to Miami |
| Oklahoma City to Colorado Springs | 767 km | How far from Oklahoma City to Colorado Springs |
| Osaka to Theater District - Times Square | 11129 km | How far from Osaka to Theater District - Times Square |
| Olympia to Blaine | 272 km | How far from Olympia to Blaine |
| Omaha to Portland | 2221 km | How far from Omaha to Portland |
| Omaha to Glendale | 2137 km | How far from Omaha to Glendale |
| Osaka to Ishigaki | 1597 km | How far from Osaka to Ishigaki |
| Olbia-Tempio to Stuttgart | 888 km | How far from Olbia-Tempio to Stuttgart |
| Oshkosh to Theater District - Times Square | 1310 km | How far from Oshkosh to Theater District - Times Square |
| Omsk to Surgut | 730 km | How far from Omsk to Surgut |
| Ottawa to Iqaluit | 2116 km | How far from Ottawa to Iqaluit |
| Oman to Iran | 903 km | How far from Oman to Iran |
| Oromocto to Theater District - Times Square | 846 km | How far from Oromocto to Theater District - Times Square |
| Odessa to Minsk | 890 km | How far from Odessa to Minsk |
| Oxnard to Zamora | 2372 km | How far from Oxnard to Zamora |
| Orlando to Cuba | 708 km | How far from Orlando to Cuba |
| Odessa to Vilnius | 992 km | How far from Odessa to Vilnius |
| Oslo to Florø | 411 km | How far from Oslo to Florø |
| Okinawa to Miyako | 2087 km | How far from Okinawa to Miyako |
| Olbia-Tempio to Barcelona | 646 km | How far from Olbia-Tempio to Barcelona |
| Olbia-Tempio to Frankfurt | 1036 km | How far from Olbia-Tempio to Frankfurt |
| Olbia-Tempio to Geneva | 662 km | How far from Olbia-Tempio to Geneva |
| Olbia-Tempio to Basel | 773 km | How far from Olbia-Tempio to Basel |
| Oudomxay to Vientiane | 319 km | How far from Oudomxay to Vientiane |
| Ozamis City to Manila | 785 km | How far from Ozamis City to Manila |
| Ozamis City to Cebu | 254 km | How far from Ozamis City to Cebu |
| Orlando to Kansas City | 1779 km | How far from Orlando to Kansas City |
| Odessa to Bourgas | 513 km | How far from Odessa to Bourgas |
| Oakland International Airport to Mexico City | 3022 km | How far from Oakland International Airport to Mexico City |
| Oslo to Bodo | 851 km | How far from Oslo to Bodo |
| Orlando International Airport to Indianapolis | 1358 km | How far from Orlando International Airport to Indianapolis |
| Orlando to Latrobe | 15810 km | How far from Orlando to Latrobe |
| Odessa to Thessaloniki | 922 km | How far from Odessa to Thessaloniki |
| Olbia-Tempio to Madrid | 1124 km | How far from Olbia-Tempio to Madrid |
| Odessa to Burgas | 513 km | How far from Odessa to Burgas |
| Odessa to Bucharest | 437 km | How far from Odessa to Bucharest |
| Odessa to Sofia | 722 km | How far from Odessa to Sofia |
| Odessa to Varna | 428 km | How far from Odessa to Varna |
| Odessa to Athens | 1128 km | How far from Odessa to Athens |
| Oklahoma City to Fairbanks | 4678 km | How far from Oklahoma City to Fairbanks |
| Oklahoma City to Maui | 5951 km | How far from Oklahoma City to Maui |
| Oxnard to Tijuana | 310 km | How far from Oxnard to Tijuana |
| Oak Harbor to Clarkston | 556 km | How far from Oak Harbor to Clarkston |
| Oak Harbor to Lewiston | 4198 km | How far from Oak Harbor to Lewiston |
| Osaka to Miyako | 869 km | How far from Osaka to Miyako |
| Orlando to Savannah | 447 km | How far from Orlando to Savannah |
| Oslo to Hungary | 1580 km | How far from Oslo to Hungary |
| Oslo to Preveza | 2515 km | How far from Oslo to Preveza |
| Oslo to Sogndal | 307 km | How far from Oslo to Sogndal |
| Oslo to Orsta | 400 km | How far from Oslo to Orsta |
| Oslo to Førde | 382 km | How far from Oslo to Førde |
| Oslo to Andenes | 1088 km | How far from Oslo to Andenes |
| Osaka to Hiroshima | 309 km | How far from Osaka to Hiroshima |
| O'Fallon to Guadalajara | 2429 km | How far from O'Fallon to Guadalajara |
| Oakland to Idaho Falls | 1114 km | How far from Oakland to Idaho Falls |
| Oakland to Merced | 174 km | How far from Oakland to Merced |
| Orlando to Youngstown | 1444 km | How far from Orlando to Youngstown |
| Orlando to McAllen | 1713 km | How far from Orlando to McAllen |
| Orlando to Worcester | 1785 km | How far from Orlando to Worcester |
| O'Fallon to San Luis Obispo | 2742 km | How far from O'Fallon to San Luis Obispo |
| Oslo to Miami | 7664 km | How far from Oslo to Miami |
| Osaka to Fukushima | 616 km | How far from Osaka to Fukushima |
| Osaka to Masuda | 411 km | How far from Osaka to Masuda |
| Okinawa to Ishigaki | 435 km | How far from Okinawa to Ishigaki |
| Okinawa to Yonago | 1313 km | How far from Okinawa to Yonago |
| Oradea to Bucharest | 454 km | How far from Oradea to Bucharest |
| Oran, Algeria to Aéroport Metz-Nancy-Lorraine | 1599 km | How far from Oran, Algeria to Aéroport Metz-Nancy-Lorraine |
| Oran, Algeria to Tindouf, Algeria | 1155 km | How far from Oran, Algeria to Tindouf, Algeria |
| Omaha to Wausau | 668 km | How far from Omaha to Wausau |
| Osaka to Nantong | 1545 km | How far from Osaka to Nantong |
| Ottawa to Baku | 9095 km | How far from Ottawa to Baku |
| Osaka to Xian | 2490 km | How far from Osaka to Xian |
| Okayama, Japan to Hong Kong | 2446 km | How far from Okayama, Japan to Hong Kong |
| Osaka to Fuzhou | 1856 km | How far from Osaka to Fuzhou |
| Oakland to Reno | 343 km | How far from Oakland to Reno |
| Orlando to St. John's International Airport | 3274 km | How far from Orlando to St. John's International Airport |
| Odessa to Tbilisi | 1275 km | How far from Odessa to Tbilisi |
| Orlando to Birmingham | 6891 km | How far from Orlando to Birmingham |
| Olympia to Reno | 928 km | How far from Olympia to Reno |
| Olympia to Trenton | 3968 km | How far from Olympia to Trenton |
| Ocala to Toledo | 1638 km | How far from Ocala to Toledo |
| Orly Airport to Madrid-Barajas Airport | 1030 km | How far from Orly Airport to Madrid-Barajas Airport |
| Oslo Airport to Grimstad | 325 km | How far from Oslo Airport to Grimstad |
| Oslo Airport to Amsterdam Airport | 959 km | How far from Oslo Airport to Amsterdam Airport |
| Orlando to Kokomo | 1448 km | How far from Orlando to Kokomo |
| Ontario to Chicago | 2762 km | How far from Ontario to Chicago |
| Bucharest Otopeni Airport to Chisinau | 355 km | How far from Bucharest Otopeni Airport to Chisinau |
| Orlando to Plattsburgh | 1944 km | How far from Orlando to Plattsburgh |
| Orlando Sanford International Airport to Canada | 1759 km | How far from Orlando Sanford International Airport to Canada |
| Oslo to University of Aalborg | 358 km | How far from Oslo to University of Aalborg |
| Tambo International Airport to Miami | 12972 km | How far from Tambo International Airport to Miami |
| Odessa to Prague | 1298 km | How far from Odessa to Prague |
| Ogden to Lamar | 2099 km | How far from Ogden to Lamar |
| Oslo to Victoria Coach Station | 1196 km | How far from Oslo to Victoria Coach Station |
| Oranjestad, Aruba to Las Piedras | 5503 km | How far from Oranjestad, Aruba to Las Piedras |
| Orsago to Zurich | 442 km | How far from Orsago to Zurich |
| Orsago to Zurich Airport | 432 km | How far from Orsago to Zurich Airport |
| Okinawa Prefecture to Kumamoto | 840 km | How far from Okinawa Prefecture to Kumamoto |
| Owerri to Bangui | 1679 km | How far from Owerri to Bangui |
| Ortachala to Baku | 484 km | How far from Ortachala to Baku |
| Osaka to Chongqing | 2807 km | How far from Osaka to Chongqing |
| Osaka to Shenzhen | 2537 km | How far from Osaka to Shenzhen |
| Orlando International Airport to Venice | 8077 km | How far from Orlando International Airport to Venice |
| Oakland International Airport to Yosemite National Park | 285 km | How far from Oakland International Airport to Yosemite National Park |
| Oran, Algeria to Frankfurt | 1793 km | How far from Oran, Algeria to Frankfurt |
| Ottawa to Murphy North Carolina | 2389 km | How far from Ottawa to Murphy North Carolina |
| Orange to Burlingame | 607 km | How far from Orange to Burlingame |
| Ontario to Malta | 10854 km | How far from Ontario to Malta |
| Oslo to London | 1188 km | How far from Oslo to London |
| Orem to Saint George | 428 km | How far from Orem to Saint George |
| Oakland International Airport to Phoenix Sky Harbor International Airport | 1038 km | How far from Oakland International Airport to Phoenix Sky Harbor International Airport |
| Bucharest Otopeni Airport to Cluj-Napoca | 317 km | How far from Bucharest Otopeni Airport to Cluj-Napoca |
| Odessa to Kharkiv | 580 km | How far from Odessa to Kharkiv |
| Oslo Central Station to Västerås | 421 km | How far from Oslo Central Station to Västerås |
| Olbia-Tempio to Genoa | 405 km | How far from Olbia-Tempio to Genoa |
| Oxford to Manchester | 246 km | How far from Oxford to Manchester |
| Oslo to Palma de Mallorca | 2424 km | How far from Oslo to Palma de Mallorca |
| Orlando to Irving | 1606 km | How far from Orlando to Irving |
| Orion to Salem | 4802 km | How far from Orion to Salem |
| Oslo to Karlstad | 6434 km | How far from Oslo to Karlstad |
| Okinawa Island to Osaka | 1284 km | How far from Okinawa Island to Osaka |
| Oakland to Tijuana International Airport | 762 km | How far from Oakland to Tijuana International Airport |
| Oslo to Besseggen | 258 km | How far from Oslo to Besseggen |
| Oslo to Paris | 1436 km | How far from Oslo to Paris |
| Odessa to Budapest | 906 km | How far from Odessa to Budapest |
| Oaxaca to Tijuana | 2681 km | How far from Oaxaca to Tijuana |
| Oita to Seoul | 760 km | How far from Oita to Seoul |
| Oslo to Agadir | 3724 km | How far from Oslo to Agadir |
| Orlando to Bloomington, IL | 1529 km | How far from Orlando to Bloomington, IL |
| Orange to El Paso | 1115 km | How far from Orange to El Paso |
| Orlando to Aguadilla | 1846 km | How far from Orlando to Aguadilla |
| Oakland to Leon, Guanajuato | 2768 km | How far from Oakland to Leon, Guanajuato |
| Ouagadougou to Accra | 773 km | How far from Ouagadougou to Accra |
| Ostend to Antalya | 2743 km | How far from Ostend to Antalya |
| Oran, Algeria to Rome | 1347 km | How far from Oran, Algeria to Rome |
| Orlando to San Antonio | 1707 km | How far from Orlando to San Antonio |
| Orlando to Little Rock, AR | 1295 km | How far from Orlando to Little Rock, AR |
| Tambo International Airport to Plettenberg Bay | 1011 km | How far from Tambo International Airport to Plettenberg Bay |
| Orlando to Peoria | 1583 km | How far from Orlando to Peoria |
| Ohrid to Saint-Louis, France | 1281 km | How far from Ohrid to Saint-Louis, France |
| Ohrid to Zurich | 1211 km | How far from Ohrid to Zurich |
| Orlando to Laredo | 1814 km | How far from Orlando to Laredo |
| Ouagadougou to Lagos | 856 km | How far from Ouagadougou to Lagos |
| Omsk to Sochi | 2745 km | How far from Omsk to Sochi |
| Ostend to Malaga | 1727 km | How far from Ostend to Malaga |
| Owingsville to San Diego | 3083 km | How far from Owingsville to San Diego |
| Orlando to Toledo | 1524 km | How far from Orlando to Toledo |
| Oujda to Brussels | 1900 km | How far from Oujda to Brussels |
| Orenburg to Khudzhand | 1729 km | How far from Orenburg to Khudzhand |
| Ostend to Barcelona | 1117 km | How far from Ostend to Barcelona |
| Oviedo to Avilés | 6798 km | How far from Oviedo to Avilés |
| Osijek to Zagreb | 266 km | How far from Osijek to Zagreb |
| Orlando to Tennessee | 845 km | How far from Orlando to Tennessee |
| Orlando to Akron | 1430 km | How far from Orlando to Akron |
| Orlando to Eleuthera | 655 km | How far from Orlando to Eleuthera |
| Ohrid to Brussels | 1673 km | How far from Ohrid to Brussels |
| Oujda to Amsterdam | 2063 km | How far from Oujda to Amsterdam |
| Orlando to Fort Wayne | 1461 km | How far from Orlando to Fort Wayne |
| Omsk to Saint Petersburg, FL, United States | 10547 km | How far from Omsk to Saint Petersburg, FL, United States |
| Omsk to Moscow | 2278 km | How far from Omsk to Moscow |
| Oestrich-Winkel to Blankenese | 493 km | How far from Oestrich-Winkel to Blankenese |
| Osaka to La Tontouta | 7116 km | How far from Osaka to La Tontouta |
| Orenburg to Dushanbe | 1832 km | How far from Orenburg to Dushanbe |
| Ostrava to Kerkyra | 1162 km | How far from Ostrava to Kerkyra |
| Odessa to Vienna | 1107 km | How far from Odessa to Vienna |
| Omaha to Charlotte | 1485 km | How far from Omaha to Charlotte |
| Omaha to Saint Petersburg, FL, United States | 1940 km | How far from Omaha to Saint Petersburg, FL, United States |
| Oran, Algeria to Paris | 1509 km | How far from Oran, Algeria to Paris |
| Oklahoma City to Phoenix | 1361 km | How far from Oklahoma City to Phoenix |