The calculated distance (air line) between Bordj Bou Arreridj and Kolea is approximately 118 miles respectively 189 kilometers.
By car or train, the actual journey to Kolea is certainly longer, as only the direct route (as the crow flies) between Bordj Bou Arreridj and Kolea has been calculated here.
Air line (approximately)
189 kilometers
102 nautical miles