The calculated distance (air line) between Zagazig and Birkat as Sab‘ is approximately 25 miles respectively 40 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 Zagazig and Birkat as Sab‘ has been calculated here.
Air line (approximately)
40 kilometers
22 nautical miles