The calculated distance (air line) between Bayt Sāḩūr and Banī Suhaylā is approximately 59 miles respectively 94 kilometers.
By car or train, the actual journey to Banī Suhaylā is certainly longer, as only the direct route (as the crow flies) between Bayt Sāḩūr and Banī Suhaylā has been calculated here.
Air line (approximately)
94 kilometers
51 nautical miles