The calculated distance (air line) between Manshīyat al Qanāţir and Ismailia is approximately 75 miles respectively 121 kilometers.
By car or train, the actual journey to Ismailia is certainly longer, as only the direct route (as the crow flies) between Manshīyat al Qanāţir and Ismailia has been calculated here.
Air line (approximately)
121 kilometers
65 nautical miles