Calculate route from Kōyama-eki (Nagano, Japan) to Ōita (Oita, Japan).
The flight distance (as the crow flies) between Kōyama-eki and Ōita is 402.7 km.
Roadmap (route) to go from Kōyama-eki to Ōita detailed above, you can also see the course layout on the map.
While doing trip Kōyama-eki - Ōita by car, the calculated route ends at a distance , or more straight.