The calculated distance (air line) between Biskra and Bordj Bou Arreridj is approximately 101 miles respectively 162 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 Biskra and Bordj Bou Arreridj has been calculated here.
Air line (approximately)
162 kilometers
87 nautical miles