Calculate route from Kojan-yŏk (Gyeonggi-do, South Korea) to Osan (Gyeonggi-do, South Korea).
The flight distance (as the crow flies) between Kojan-yŏk and Osan is 28.1 km.
Roadmap (route) to go from Kojan-yŏk to Osan detailed above, you can also see the course layout on the map.
While doing trip Kojan-yŏk - Osan by car, the calculated route ends at a distance , or more straight.