The calculated distance (air line) between Tébessa and Aïn Oulmene is approximately 163 miles respectively 262 kilometers.
By car or train, the actual journey to Aïn Oulmene is certainly longer, as only the direct route (as the crow flies) between Tébessa and Aïn Oulmene has been calculated here.
Air line (approximately)
262 kilometers
141 nautical miles