The calculated distance (air line) between Beni Khiar and Ksar Hellal is approximately 57 miles respectively 92 kilometers.
By car or train, the actual journey to Ksar Hellal is certainly longer, as only the direct route (as the crow flies) between Beni Khiar and Ksar Hellal has been calculated here.
Air line (approximately)
92 kilometers
50 nautical miles