The calculated distance (air line) between As Sūkī and Umm Ruwaba is approximately 182 miles respectively 292 kilometers.
By car or train, the actual journey to Umm Ruwaba is certainly longer, as only the direct route (as the crow flies) between As Sūkī and Umm Ruwaba has been calculated here.
Air line (approximately)
292 kilometers
158 nautical miles