The calculated distance (air line) between Al Masallamiyya and Umm Ruwaba is approximately 183 miles respectively 295 kilometers.
By car or train, the actual journey to Umm Ruwaba is certainly longer, as only the direct route (as the crow flies) between Al Masallamiyya and Umm Ruwaba has been calculated here.
Air line (approximately)
295 kilometers
159 nautical miles