The calculated distance (air line) between Port Said and Minyā al Qamḩ is approximately 77 miles respectively 124 kilometers.
By car or train, the actual journey to Minyā al Qamḩ is certainly longer, as only the direct route (as the crow flies) between Port Said and Minyā al Qamḩ has been calculated here.
Air line (approximately)
124 kilometers
67 nautical miles