The calculated distance (air line) between Qaşr Bin Ghashīr and Şabrātah is approximately 41 miles respectively 66 kilometers.
By car or train, the actual journey to Şabrātah is certainly longer, as only the direct route (as the crow flies) between Qaşr Bin Ghashīr and Şabrātah has been calculated here.
Air line (approximately)
66 kilometers
36 nautical miles