The calculated distance (air line) between Sétif and Aïn Oulmene is approximately 20 miles respectively 32 kilometers.
By car or train, the actual journey to Aïn Oulmene is certainly longer, as only the direct route (as the crow flies) between Sétif and Aïn Oulmene has been calculated here.
Air line (approximately)
32 kilometers
17 nautical miles