The calculated distance (air line) between Chlef and Aïn Oussera is approximately 101 miles respectively 162 kilometers.
By car or train, the actual journey to Aïn Oussera is certainly longer, as only the direct route (as the crow flies) between Chlef and Aïn Oussera has been calculated here.
Air line (approximately)
162 kilometers
88 nautical miles