The calculated distance (air line) between Sīdī aş Şayd and Qaşr Bin Ghashīr is approximately 30 miles respectively 48 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 Sīdī aş Şayd and Qaşr Bin Ghashīr has been calculated here.
Air line (approximately)
48 kilometers
26 nautical miles