The calculated distance (air line) between Abū Ḩammād and Damietta is approximately 61 miles respectively 99 kilometers.
By car or train, the actual journey to Damietta is certainly longer, as only the direct route (as the crow flies) between Abū Ḩammād and Damietta has been calculated here.
Air line (approximately)
99 kilometers
53 nautical miles