The calculated distance (air line) between New Cairo and Kawm Ḩamādah is approximately 68 miles respectively 110 kilometers.
By car or train, the actual journey to Kawm Ḩamādah is certainly longer, as only the direct route (as the crow flies) between New Cairo and Kawm Ḩamādah has been calculated here.
Air line (approximately)
110 kilometers
59 nautical miles