The calculated distance (air line) between Nāḩīyat Saddat al Hindīyah and Al Ḩayy is approximately 110 miles respectively 176 kilometers.
By car or train, the actual journey to Al Ḩayy is certainly longer, as only the direct route (as the crow flies) between Nāḩīyat Saddat al Hindīyah and Al Ḩayy has been calculated here.
Air line (approximately)
176 kilometers
95 nautical miles