The calculated distance (air line) between Qalyub and Kawm Ḩamādah is approximately 50 miles respectively 81 kilometers.
By car or train, the actual journey to Kawm Ḩamādah is certainly longer, as only the direct route (as the crow flies) between Qalyub and Kawm Ḩamādah has been calculated here.
Air line (approximately)
81 kilometers
44 nautical miles