The calculated distance (air line) between Taffūḩ and Banī Suhaylā is approximately 45 miles respectively 72 kilometers.
By car or train, the actual journey to Banī Suhaylā is certainly longer, as only the direct route (as the crow flies) between Taffūḩ and Banī Suhaylā has been calculated here.
Air line (approximately)
72 kilometers
39 nautical miles