The calculated distance (air line) between Khouribga and Ksar El Kebir is approximately 157 miles respectively 253 kilometers.
By car or train, the actual journey to Ksar El Kebir is certainly longer, as only the direct route (as the crow flies) between Khouribga and Ksar El Kebir has been calculated here.
Air line (approximately)
253 kilometers
137 nautical miles