The calculated distance (air line) between Jettingen-Scheppach and Nersingen is approximately 15 miles respectively 24 kilometers.
By car or train, the actual journey to Nersingen is certainly longer, as only the direct route (as the crow flies) between Jettingen-Scheppach and Nersingen has been calculated here.
Air line (approximately)
24 kilometers
13 nautical miles