The calculated distance (air line) between Damietta and At Tall al Kabīr is approximately 60 miles respectively 97 kilometers.
By car or train, the actual journey to At Tall al Kabīr is certainly longer, as only the direct route (as the crow flies) between Damietta and At Tall al Kabīr has been calculated here.
Air line (approximately)
97 kilometers
52 nautical miles