The calculated distance (air line) between Ar-Rawḍah and Al Qāhirah al Jadīdah is approximately 91 miles respectively 146 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 Ar-Rawḍah and Al Qāhirah al Jadīdah has been calculated here.
Air line (approximately)
146 kilometers
79 nautical miles