The calculated distance (air line) between Madīnat an Naşr and Damietta is approximately 98 miles respectively 158 kilometers.
By car or train, the actual journey to Damietta is certainly longer, as only the direct route (as the crow flies) between Madīnat an Naşr and Damietta has been calculated here.
Air line (approximately)
158 kilometers
85 nautical miles