The calculated distance (air line) between Al Masallamiyya and As Sūkī is approximately 94 miles respectively 152 kilometers.
By car or train, the actual journey to As Sūkī is certainly longer, as only the direct route (as the crow flies) between Al Masallamiyya and As Sūkī has been calculated here.
Air line (approximately)
152 kilometers
82 nautical miles