The calculated distance (air line) between Nāḩīyat Saddat al Hindīyah and Karbala is approximately 16 miles respectively 26 kilometers.
By car or train, the actual journey to Karbala is certainly longer, as only the direct route (as the crow flies) between Nāḩīyat Saddat al Hindīyah and Karbala has been calculated here.
Air line (approximately)
26 kilometers
14 nautical miles