The calculated distance (air line) between Sétif and Ksar el Boukhari is approximately 150 miles respectively 242 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 Sétif and Ksar el Boukhari has been calculated here.
Air line (approximately)
242 kilometers
131 nautical miles