The calculated distance (air line) between Zagazig and Kafr ad Dawwār is approximately 90 miles respectively 144 kilometers.
By car or train, the actual journey to Kafr ad Dawwār is certainly longer, as only the direct route (as the crow flies) between Zagazig and Kafr ad Dawwār has been calculated here.
Air line (approximately)
144 kilometers
78 nautical miles