The calculated distance (air line) between Nāḩīyat Saddat al Hindīyah and Nasiriyah is approximately 163 miles respectively 262 kilometers.
By car or train, the actual journey to Nasiriyah is certainly longer, as only the direct route (as the crow flies) between Nāḩīyat Saddat al Hindīyah and Nasiriyah has been calculated here.
Air line (approximately)
262 kilometers
142 nautical miles