The calculated distance (air line) between Nürnberg and Altdorf bei Nurnberg is approximately 13 miles respectively 22 kilometers.
By car or train, the actual journey to Altdorf bei Nurnberg is certainly longer, as only the direct route (as the crow flies) between Nürnberg and Altdorf bei Nurnberg has been calculated here.
Air line (approximately)
22 kilometers
12 nautical miles