Yesan is located in South Korea (Yesan-gun, Chungcheongnam-do) and time zone Asia/Seoul.
Places nearby are Hongseong, Asan and Cheonan.
Daejeon is 56 km away, Incheon is 86 km away and Seoul is 98 km away as the crow flies.
Distances from Yesan to the most important cities in South Korea and the world.
36.6775600°
126.8427200°
Railway station in Yesanguan Town, China
https://en.wikipedia.org/wiki/Yesanguan_railway_station