The calculated distance (air line) between Banī Suwayf al Jadīdah and Damietta is approximately 170 miles respectively 273 kilometers.
By car or train, the actual journey to Damietta is certainly longer, as only the direct route (as the crow flies) between Banī Suwayf al Jadīdah and Damietta has been calculated here.
Air line (approximately)
273 kilometers
148 nautical miles