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