The calculated distance (air line) between Königstein im Taunus and Nürnberg is approximately 127 miles respectively 204 kilometers.
By car or train, the actual journey to Nürnberg is certainly longer, as only the direct route (as the crow flies) between Königstein im Taunus and Nürnberg has been calculated here.
Air line (approximately)
204 kilometers
110 nautical miles