The calculated distance (air line) between Madīnat an Naşr and Al Qāhirah al Jadīdah is approximately 9 miles respectively 14 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 Madīnat an Naşr and Al Qāhirah al Jadīdah has been calculated here.
Air line (approximately)
14 kilometers
8 nautical miles