The calculated distance (air line) between Zawiya and Qaşr Bin Ghashīr is approximately 27 miles respectively 43 kilometers.
By car or train, the actual journey to Qaşr Bin Ghashīr is certainly longer, as only the direct route (as the crow flies) between Zawiya and Qaşr Bin Ghashīr has been calculated here.
Air line (approximately)
43 kilometers
23 nautical miles