The calculated distance (air line) between Al Maḩmūdīyah and Giza is approximately 91 miles respectively 146 kilometers.
By car or train, the actual journey to Giza is certainly longer, as only the direct route (as the crow flies) between Al Maḩmūdīyah and Giza has been calculated here.
Air line (approximately)
146 kilometers
79 nautical miles