The calculated distance (air line) between Chlef and Ksar el Boukhari is approximately 81 miles respectively 131 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 Chlef and Ksar el Boukhari has been calculated here.
Air line (approximately)
131 kilometers
71 nautical miles