The calculated distance (air line) between As Salţ and Ḩayy al Quwaysimah is approximately 16 miles respectively 25 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 As Salţ and Ḩayy al Quwaysimah has been calculated here.
Air line (approximately)
25 kilometers
14 nautical miles