The calculated distance (air line) between Şakhrah and Wādī as Sīr is approximately 29 miles respectively 46 kilometers.
By car or train, the actual journey to Wādī as Sīr is certainly longer, as only the direct route (as the crow flies) between Şakhrah and Wādī as Sīr has been calculated here.
Air line (approximately)
46 kilometers
25 nautical miles