The calculated distance (air line) between Khemis el Khechna and Sétif is approximately 120 miles respectively 193 kilometers.
By car or train, the actual journey to Sétif is certainly longer, as only the direct route (as the crow flies) between Khemis el Khechna and Sétif has been calculated here.
Air line (approximately)
193 kilometers
104 nautical miles