The calculated distance (air line) between Waseda-tsurumakichō and Sagamihara is approximately 29 miles respectively 46 kilometers.
By car or train, the actual journey to Sagamihara is certainly longer, as only the direct route (as the crow flies) between Waseda-tsurumakichō and Sagamihara has been calculated here.
Air line (approximately)
46 kilometers
25 nautical miles