The calculated distance (air line) between Sīdī Ghāzī and Al Qāhirah al Jadīdah is approximately 84 miles respectively 135 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 Sīdī Ghāzī and Al Qāhirah al Jadīdah has been calculated here.
Air line (approximately)
135 kilometers
73 nautical miles