The calculated distance (air line) between As Sūkī and Wad Medani is approximately 79 miles respectively 127 kilometers.
By car or train, the actual journey to Wad Medani is certainly longer, as only the direct route (as the crow flies) between As Sūkī and Wad Medani has been calculated here.
Air line (approximately)
127 kilometers
68 nautical miles