The calculated distance (air line) between Munsha‘at Abū ‘Umar and Damanhur is approximately 93 miles respectively 149 kilometers.
By car or train, the actual journey to Damanhur is certainly longer, as only the direct route (as the crow flies) between Munsha‘at Abū ‘Umar and Damanhur has been calculated here.
Air line (approximately)
149 kilometers
80 nautical miles