The calculated distance (air line) between Al Mazār al Janūbī and As Salţ is approximately 67 miles respectively 108 kilometers.
By car or train, the actual journey to As Salţ is certainly longer, as only the direct route (as the crow flies) between Al Mazār al Janūbī and As Salţ has been calculated here.
Air line (approximately)
108 kilometers
58 nautical miles