The calculated distance (air line) between Nāḩiyat ash Shināfīyah and Nasiriyah is approximately 102 miles respectively 164 kilometers.
By car or train, the actual journey to Nasiriyah is certainly longer, as only the direct route (as the crow flies) between Nāḩiyat ash Shināfīyah and Nasiriyah has been calculated here.
Air line (approximately)
164 kilometers
88 nautical miles