The calculated distance (air line) between Kaïs and Bordj Bou Arreridj is approximately 128 miles respectively 206 kilometers.
By car or train, the actual journey to Bordj Bou Arreridj is certainly longer, as only the direct route (as the crow flies) between Kaïs and Bordj Bou Arreridj has been calculated here.
Air line (approximately)
206 kilometers
111 nautical miles