The calculated distance (air line) between Neustadt an der Aisch and Nürnberg is approximately 23 miles respectively 36 kilometers.
By car or train, the actual journey to Nürnberg is certainly longer, as only the direct route (as the crow flies) between Neustadt an der Aisch and Nürnberg has been calculated here.
Air line (approximately)
36 kilometers
20 nautical miles