The calculated distance (air line) between Mashtūl as Sūq and Kawm Ḩamādah is approximately 49 miles respectively 79 kilometers.
By car or train, the actual journey to Kawm Ḩamādah is certainly longer, as only the direct route (as the crow flies) between Mashtūl as Sūq and Kawm Ḩamādah has been calculated here.
Air line (approximately)
79 kilometers
42 nautical miles