The calculated distance (air line) between Khemis el Khechna and El Eulma is approximately 136 miles respectively 218 kilometers.
By car or train, the actual journey to El Eulma is certainly longer, as only the direct route (as the crow flies) between Khemis el Khechna and El Eulma has been calculated here.
Air line (approximately)
218 kilometers
118 nautical miles