The calculated distance (air line) between Chikushino-shi and Nishifukuma is approximately 19 miles respectively 30 kilometers.
By car or train, the actual journey to Nishifukuma is certainly longer, as only the direct route (as the crow flies) between Chikushino-shi and Nishifukuma has been calculated here.
Air line (approximately)
30 kilometers
16 nautical miles