The calculated distance (air line) between An Nāşirīyah and Qaşr Bin Ghashīr is approximately 18 miles respectively 30 kilometers.
By car or train, the actual journey to Qaşr Bin Ghashīr is certainly longer, as only the direct route (as the crow flies) between An Nāşirīyah and Qaşr Bin Ghashīr has been calculated here.
Air line (approximately)
30 kilometers
16 nautical miles