Calculate route from Onchon (South Pyongan, North Korea) to Hyesan (Yanggang-do, North Korea).
The flight distance (as the crow flies) between Onchon and Hyesan is 373.0 km.
Roadmap (route) to go from Onchon to Hyesan detailed above, you can also see the course layout on the map.
While doing trip Onchon - Hyesan by car, the calculated route ends at a distance , or more straight.