The calculated distance (air line) between Sāl and Ḩayy al Quwaysimah is approximately 46 miles respectively 73 kilometers.
By car or train, the actual journey to Ḩayy al Quwaysimah is certainly longer, as only the direct route (as the crow flies) between Sāl and Ḩayy al Quwaysimah has been calculated here.
Air line (approximately)
73 kilometers
40 nautical miles