The calculated distance (air line) between Nāḩīyat Saddat al Hindīyah and Ḩadīthah is approximately 147 miles respectively 237 kilometers.
By car or train, the actual journey to Ḩadīthah is certainly longer, as only the direct route (as the crow flies) between Nāḩīyat Saddat al Hindīyah and Ḩadīthah has been calculated here.
Air line (approximately)
237 kilometers
128 nautical miles