The calculated distance (air line) between Banhā and Kawm Ḩamādah is approximately 36 miles respectively 57 kilometers.
By car or train, the actual journey to Kawm Ḩamādah is certainly longer, as only the direct route (as the crow flies) between Banhā and Kawm Ḩamādah has been calculated here.
Air line (approximately)
57 kilometers
31 nautical miles