The calculated distance (air line) between Manshīyat al Qanāţir and Al Qāhirah al Jadīdah is approximately 22 miles respectively 36 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 Manshīyat al Qanāţir and Al Qāhirah al Jadīdah has been calculated here.
Air line (approximately)
36 kilometers
20 nautical miles