Calculate route from Ōya-eki (Nagano, Japan) to Koshigaya (Saitama, Japan).
The flight distance (as the crow flies) between Ōya-eki and Koshigaya is 144.1 km.
Roadmap (route) to go from Ōya-eki to Koshigaya detailed above, you can also see the course layout on the map.
While doing trip Ōya-eki - Koshigaya by car, the calculated route ends at a distance , or more straight.