The calculated distance (air line) between Bordj Bou Arreridj and Drean is approximately 172 miles respectively 276 kilometers.
By car or train, the actual journey to Drean is certainly longer, as only the direct route (as the crow flies) between Bordj Bou Arreridj and Drean has been calculated here.
Air line (approximately)
276 kilometers
149 nautical miles