Best way to travel between Seoul, South Korea and Qingdao, Shandong, China

A: Seoul, South Korea

B: Qingdao, Shandong, China

Travel Modes: Price; Distance; Duration; CO2

flight: $118.0; 641.35 km; 5h 11mins; 69.27 kgs

drive: $126.23; 734.39 km; 19h 24mins; 94.0 kgs

train: $158.0; 657.28 km; 20h 58mins; 34.84 kgs

bus: $202.0; 720.13 km; 21h 9mins; 21.6 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Flight	641.35 km	5h 11mins	720 CNY	118.0
Drive	734.39 km	19h 24mins	770 CNY	126.23
Train	657.28 km	20h 58mins	964 CNY	158.0
Bus	720.13 km	21h 9mins	1,232 CNY	202.0

Take Train from Jongno 3-ga Station to Seoul Central Station: Time: 4mins Cost: 2 CNY; $ 0.3 - 0.4 USD CO2 Emission: 0.16 kgs
Take Train from Seoul Station to Incheon Airport: Time: 51mins Cost: 31 CNY; $ 4.5 - 5.5 USD CO2 Emission: 2.98 kgs
Take Flight from ICN to TAO: Time: 1h 11mins Cost: 671 CNY; $ 99.0 - 121.0 USD CO2 Emission: 60.55 kgs
Take Bus from Qingdao Liuting airport to Sifan Hotel: Time: 30mins Cost: 18 CNY; $ 2.7 - 3.3 USD CO2 Emission: 0.65 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Seoul, South Korea and Qingdao, Shandong, China is to travel by air, which will cost about 720 CNY or 106.20 USD.