Distance: 158.89 kmThe shortest distance (air line) between Kosan and Seongnam-si is 158.89 km.
Driving route: -- ( - )The shortest route between Kosan and Seongnam-si is according to the route planner. The driving time is approx. . Half of the trip is reached in .
Bearing: 189.09° (S)The initial bearing on the course from Kosan to Seongnam-si is 189.09° and the compass direction is S.
Midpoint: 38.14419,127.27995The geographic midpoint between Kosan and Seongnam-si is in 79.45 km distance between both points in a bearing of 189.09°. It is located in 대한민국, Gyeonggi-do, Pocheon (대한민국, 경기도, 포천시).
Time difference: 0hKosan and Seongnam-si are both in the same time zone Asia/Pyongyang.