The calculated distance (air line) between Schwalbach am Taunus and Nürnberg is approximately 123 miles respectively 198 kilometers.
By car or train, the actual journey to Nürnberg is certainly longer, as only the direct route (as the crow flies) between Schwalbach am Taunus and Nürnberg has been calculated here.
Air line (approximately)
198 kilometers
107 nautical miles