The calculated distance (air line) between Nörten-Hardenberg and Nürnberg is approximately 158 miles respectively 255 kilometers.
By car or train, the actual journey to Nürnberg is certainly longer, as only the direct route (as the crow flies) between Nörten-Hardenberg and Nürnberg has been calculated here.
Air line (approximately)
255 kilometers
138 nautical miles