Calculate route from Iwahana-eki (Yamaguchi, Japan) to Honmachi (Kumamoto, Japan).
The flight distance (as the crow flies) between Iwahana-eki and Honmachi is 173.9 km.
Roadmap (route) to go from Iwahana-eki to Honmachi detailed above, you can also see the course layout on the map.
While doing trip Iwahana-eki - Honmachi by car, the calculated route ends at a distance , or more straight.