The calculated distance (air line) between Thenia and Bordj Bou Arreridj is approximately 81 miles respectively 130 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 Thenia and Bordj Bou Arreridj has been calculated here.
Air line (approximately)
130 kilometers
70 nautical miles