The calculated distance (air line) between Ash Shajarah and Ḩayy Khildā is approximately 45 miles respectively 73 kilometers.
By car or train, the actual journey to Ḩayy Khildā is certainly longer, as only the direct route (as the crow flies) between Ash Shajarah and Ḩayy Khildā has been calculated here.
Air line (approximately)
73 kilometers
39 nautical miles