The calculated distance (air line) between Algiers and Ksar el Boukhari is approximately 61 miles respectively 99 kilometers.
By car or train, the actual journey to Ksar el Boukhari is certainly longer, as only the direct route (as the crow flies) between Algiers and Ksar el Boukhari has been calculated here.
Air line (approximately)
99 kilometers
53 nautical miles