The calculated distance (air line) between Abu Suweir-el-Mahatta and Damietta is approximately 61 miles respectively 98 kilometers.
By car or train, the actual journey to Damietta is certainly longer, as only the direct route (as the crow flies) between Abu Suweir-el-Mahatta and Damietta has been calculated here.
Air line (approximately)
98 kilometers
53 nautical miles