Calculate route from Kōyama-eki (Nagano, Japan) to Iiyama (Nagano, Japan).

The flight distance (as the crow flies) between Kōyama-eki and Iiyama is 338.4 km.

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

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