The calculated distance (air line) between Weil im Schönbuch and Nürnberg is approximately 108 miles respectively 173 kilometers.
By car or train, the actual journey to Nürnberg is certainly longer, as only the direct route (as the crow flies) between Weil im Schönbuch and Nürnberg has been calculated here.
Air line (approximately)
173 kilometers
94 nautical miles