Calculate route from Ōkawa (Fukuoka, Japan) to Niihama (Ehime, Japan).
The flight distance (as the crow flies) between Ōkawa and Niihama is 283.9 km.
Roadmap (route) to go from Ōkawa to Niihama detailed above, you can also see the course layout on the map.
While doing trip Ōkawa - Niihama by car, the calculated route ends at a distance , or more straight.