The calculated distance (air line) between Port Said and Al Qāhirah al Jadīdah is approximately 99 miles respectively 159 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 Port Said and Al Qāhirah al Jadīdah has been calculated here.
Air line (approximately)
159 kilometers
86 nautical miles