The calculated distance (air line) between Nāḩiyat ash Shināfīyah and Sāmarrā’ is approximately 186 miles respectively 299 kilometers.
By car or train, the actual journey to Sāmarrā’ is certainly longer, as only the direct route (as the crow flies) between Nāḩiyat ash Shināfīyah and Sāmarrā’ has been calculated here.
Air line (approximately)
299 kilometers
161 nautical miles