The calculated distance (air line) between As Samawah and Nāḩiyat ash Shināfīyah is approximately 42 miles respectively 68 kilometers.
By car or train, the actual journey to Nāḩiyat ash Shināfīyah is certainly longer, as only the direct route (as the crow flies) between As Samawah and Nāḩiyat ash Shināfīyah has been calculated here.
Air line (approximately)
68 kilometers
36 nautical miles