The calculated distance (air line) between Al Maḩmūdīyah and Ismailia is approximately 111 miles respectively 179 kilometers.
By car or train, the actual journey to Ismailia is certainly longer, as only the direct route (as the crow flies) between Al Maḩmūdīyah and Ismailia has been calculated here.
Air line (approximately)
179 kilometers
96 nautical miles