The calculated distance (air line) between Nāḩiyat ash Shināfīyah and Mandalī is approximately 159 miles respectively 255 kilometers.
By car or train, the actual journey to Mandalī is certainly longer, as only the direct route (as the crow flies) between Nāḩiyat ash Shināfīyah and Mandalī has been calculated here.
Air line (approximately)
255 kilometers
138 nautical miles