The calculated distance (air line) between Damanhur and Sirs al Layyānah is approximately 51 miles respectively 81 kilometers.
By car or train, the actual journey to Sirs al Layyānah is certainly longer, as only the direct route (as the crow flies) between Damanhur and Sirs al Layyānah has been calculated here.
Air line (approximately)
81 kilometers
44 nautical miles