The calculated distance (air line) between New Cairo and Madīnat as Sādāt is approximately 62 miles respectively 100 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 New Cairo and Madīnat as Sādāt has been calculated here.
Air line (approximately)
100 kilometers
54 nautical miles