The calculated distance (air line) between Al Maḩallah al Kubrá and Qalyub is approximately 55 miles respectively 88 kilometers.
By car or train, the actual journey to Qalyub is certainly longer, as only the direct route (as the crow flies) between Al Maḩallah al Kubrá and Qalyub has been calculated here.
Air line (approximately)
88 kilometers
48 nautical miles