The calculated distance (air line) between Damanhur and Madīnat as Sādāt is approximately 46 miles respectively 74 kilometers.
By car or train, the actual journey to Madīnat as Sādāt is certainly longer, as only the direct route (as the crow flies) between Damanhur and Madīnat as Sādāt has been calculated here.
Air line (approximately)
74 kilometers
40 nautical miles