The calculated distance (air line) between Damanhur and Abū al Maţāmīr is approximately 19 miles respectively 31 kilometers.
By car or train, the actual journey to Abū al Maţāmīr is certainly longer, as only the direct route (as the crow flies) between Damanhur and Abū al Maţāmīr has been calculated here.
Air line (approximately)
31 kilometers
17 nautical miles