The calculated distance (air line) between Spiesen-Elversberg and Nürnberg is approximately 178 miles respectively 286 kilometers.
By car or train, the actual journey to Nürnberg is certainly longer, as only the direct route (as the crow flies) between Spiesen-Elversberg and Nürnberg has been calculated here.
Air line (approximately)
286 kilometers
154 nautical miles