The calculated distance (air line) between Um Jar Al Gharbiyya and Omdurman is approximately 127 miles respectively 205 kilometers.
By car or train, the actual journey to Omdurman is certainly longer, as only the direct route (as the crow flies) between Um Jar Al Gharbiyya and Omdurman has been calculated here.
Air line (approximately)
205 kilometers
111 nautical miles