The calculated distance (air line) between Yonedacho Sendo and Hamamatsu is approximately 165 miles respectively 266 kilometers.
By car or train, the actual journey to Hamamatsu is certainly longer, as only the direct route (as the crow flies) between Yonedacho Sendo and Hamamatsu has been calculated here.
Air line (approximately)
266 kilometers
143 nautical miles