The calculated distance (air line) between Cairo and Madīnat as Sādāt is approximately 49 miles respectively 79 kilometers.
By car or train, the actual journey to Madīnat as Sādāt is certainly longer, as only the direct route (as the crow flies) between Cairo and Madīnat as Sādāt has been calculated here.
Air line (approximately)
79 kilometers
43 nautical miles