The calculated distance (air line) between Kafr ad Dawwār and Kawm Ḩamādah is approximately 42 miles respectively 68 kilometers.
By car or train, the actual journey to Kawm Ḩamādah is certainly longer, as only the direct route (as the crow flies) between Kafr ad Dawwār and Kawm Ḩamādah has been calculated here.
Air line (approximately)
68 kilometers
37 nautical miles