The calculated distance (air line) between Bordj Bou Arreridj and Aïn Oussera is approximately 113 miles respectively 181 kilometers.
By car or train, the actual journey to Aïn Oussera is certainly longer, as only the direct route (as the crow flies) between Bordj Bou Arreridj and Aïn Oussera has been calculated here.
Air line (approximately)
181 kilometers
98 nautical miles