Calculate route from Ōniwa-eki (Nagano, Japan) to Okayama (Okayama, Japan).

The flight distance (as the crow flies) between Ōniwa-eki and Okayama is 402.9 km.

Roadmap (route) to go from Ōniwa-eki to Okayama detailed above, you can also see the course layout on the map.

While doing trip Ōniwa-eki - Okayama by car, the calculated route ends at a distance , or more straight.