Best way to travel between Seoul, South Korea and Okinawa Prefecture, Japan

A: Seoul, South Korea

B: Okinawa Prefecture, Japan

Travel Modes: Price; Distance; Duration; CO2

flight: $279.0; 1373.4 km; 8h 29mins; 148.33 kgs

train: $327.0; 1740.7 km; 37h 59mins; 92.26 kgs

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Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Flight	1373.4 km	8h 29mins	28,343 JPY	279.0
Train	1740.7 km	37h 59mins	33,220 JPY	327.0

Take Train from Seoul to Gimpo Airport: Time: 18mins Cost: 406 JPY; $ 3.6 - 4.4 USD CO2 Emission: 1.04 kgs
Take Flight from GMP to OKA: Time: 5h 41mins Cost: 20,318 JPY; $ 180.0 - 220.0 USD CO2 Emission: 143.43 kgs
Take Car from Okinawa to Okinawa: Time: 24mins Cost: 7,619 JPY; $ 67.5 - 82.5 USD CO2 Emission: 3.32 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Seoul, South Korea and Okinawa Prefecture, Japan is to travel by air, which will cost about 28,343 JPY or 251.10 USD.