The calculated distance (air line) between New Cairo and Sirs al Layyānah is approximately 41 miles respectively 66 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 New Cairo and Sirs al Layyānah has been calculated here.
Air line (approximately)
66 kilometers
36 nautical miles