The calculated distance (air line) between Sāmarrā’ and An Nu‘mānīyah is approximately 144 miles respectively 231 kilometers.
By car or train, the actual journey to An Nu‘mānīyah is certainly longer, as only the direct route (as the crow flies) between Sāmarrā’ and An Nu‘mānīyah has been calculated here.
Air line (approximately)
231 kilometers
125 nautical miles