The calculated distance (air line) between Banī Suwayf and Diyarb Najm is approximately 118 miles respectively 190 kilometers.
By car or train, the actual journey to Diyarb Najm is certainly longer, as only the direct route (as the crow flies) between Banī Suwayf and Diyarb Najm has been calculated here.
Air line (approximately)
190 kilometers
102 nautical miles