The calculated distance (air line) between Hisai-motomachi and Hamamatsu is approximately 72 miles respectively 116 kilometers.
By car or train, the actual journey to Hamamatsu is certainly longer, as only the direct route (as the crow flies) between Hisai-motomachi and Hamamatsu has been calculated here.
Air line (approximately)
116 kilometers
63 nautical miles