The calculated distance (air line) between Mubārak al Kabīr and Salwá is approximately 7 miles respectively 12 kilometers.
By car or train, the actual journey to Salwá is certainly longer, as only the direct route (as the crow flies) between Mubārak al Kabīr and Salwá has been calculated here.
Air line (approximately)
12 kilometers
6 nautical miles