Best way to travel between Kumamoto, Japan and Seoul, South Korea

A: Kumamoto, Japan

B: Seoul, South Korea

Travel Modes: Price; Distance; Duration; CO2

drive: $179.0; 731.34 km; 8h 51mins; 93.61 kgs

flight: $283.0; 760.2 km; 5h 20mins; 82.1 kgs

train: $304.0; 1610.7 km; 39h 26mins; 85.37 kgs

N/A

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Drive	731.34 km	8h 51mins	189,930 KRW	179.0
Flight	760.2 km	5h 20mins	300,280 KRW	283.0
Train	1610.7 km	39h 26mins	322,562 KRW	304.0

Take Car from Kumamoto to Fukuoka: Time: 1h 15mins Cost: 14,855 KRW; $ 12.6 - 15.4 USD CO2 Emission: 14.46 kgs
Take Ferry from Fukuoka to Busan: Time: 3h 11mins Cost: 106,106 KRW; $ 90.0 - 110.0 USD CO2 Emission: 27.65 kgs
Take Car from Busan to Seoul: Time: 4h 24mins Cost: 68,969 KRW; $ 58.5 - 71.5 USD CO2 Emission: 51.61 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Kumamoto, Japan and Seoul, South Korea is to travel by car/taxi, which will cost about 189,930 KRW or 161.10 USD.