The calculated distance (air line) between Ḩayy al Bunayyāt and Rehab is approximately 32 miles respectively 51 kilometers.
By car or train, the actual journey to Rehab is certainly longer, as only the direct route (as the crow flies) between Ḩayy al Bunayyāt and Rehab has been calculated here.
Air line (approximately)
51 kilometers
28 nautical miles