The calculated distance (air line) between Hisai-motomachi and Hachiōji is approximately 175 miles respectively 282 kilometers.
By car or train, the actual journey to Hachiōji is certainly longer, as only the direct route (as the crow flies) between Hisai-motomachi and Hachiōji has been calculated here.
Air line (approximately)
282 kilometers
152 nautical miles