The calculated distance (air line) between Ḩalwān and Kawm Ḩamādah is approximately 73 miles respectively 117 kilometers.
By car or train, the actual journey to Kawm Ḩamādah is certainly longer, as only the direct route (as the crow flies) between Ḩalwān and Kawm Ḩamādah has been calculated here.
Air line (approximately)
117 kilometers
63 nautical miles