The calculated distance (air line) between Tanta and Kafr ad Dawwār is approximately 57 miles respectively 92 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 Tanta and Kafr ad Dawwār has been calculated here.
Air line (approximately)
92 kilometers
49 nautical miles