The calculated distance (air line) between Kannabechō-yahiro and Kawanoechō is approximately 39 miles respectively 62 kilometers.
By car or train, the actual journey to Kawanoechō is certainly longer, as only the direct route (as the crow flies) between Kannabechō-yahiro and Kawanoechō has been calculated here.
Air line (approximately)
62 kilometers
33 nautical miles