The calculated distance (air line) between Souma and Bordj Bou Arreridj is approximately 108 miles respectively 174 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 Souma and Bordj Bou Arreridj has been calculated here.
Air line (approximately)
174 kilometers
94 nautical miles