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