The calculated distance (air line) between Hōjō and Kan’onjichō is approximately 51 miles respectively 82 kilometers.
By car or train, the actual journey to Kan’onjichō is certainly longer, as only the direct route (as the crow flies) between Hōjō and Kan’onjichō has been calculated here.
Air line (approximately)
82 kilometers
44 nautical miles