The calculated distance (air line) between Al Qāhirah al Jadīdah and Banhā is approximately 33 miles respectively 53 kilometers.
By car or train, the actual journey to Banhā is certainly longer, as only the direct route (as the crow flies) between Al Qāhirah al Jadīdah and Banhā has been calculated here.
Air line (approximately)
53 kilometers
28 nautical miles