The calculated distance (air line) between Yūsuf aṣ-Ṣiddīq and Assiut is approximately 157 miles respectively 253 kilometers.
By car or train, the actual journey to Assiut is certainly longer, as only the direct route (as the crow flies) between Yūsuf aṣ-Ṣiddīq and Assiut has been calculated here.
Air line (approximately)
253 kilometers
136 nautical miles