The calculated distance (air line) between Suga-inadazutsumi and Hachiōji is approximately 12 miles respectively 20 kilometers.
By car or train, the actual journey to Hachiōji is certainly longer, as only the direct route (as the crow flies) between Suga-inadazutsumi and Hachiōji has been calculated here.
Air line (approximately)
20 kilometers
11 nautical miles