The calculated distance (air line) between Jettingen-Scheppach and Nattheim is approximately 23 miles respectively 37 kilometers.
By car or train, the actual journey to Nattheim is certainly longer, as only the direct route (as the crow flies) between Jettingen-Scheppach and Nattheim has been calculated here.
Air line (approximately)
37 kilometers
20 nautical miles