The calculated distance (air line) between Suez and Al Qāhirah al Jadīdah is approximately 65 miles respectively 104 kilometers.
By car or train, the actual journey to Al Qāhirah al Jadīdah is certainly longer, as only the direct route (as the crow flies) between Suez and Al Qāhirah al Jadīdah has been calculated here.
Air line (approximately)
104 kilometers
56 nautical miles