The calculated distance (air line) between Seeheim-Jugenheim and Nürnberg is approximately 111 miles respectively 178 kilometers.
By car or train, the actual journey to Nürnberg is certainly longer, as only the direct route (as the crow flies) between Seeheim-Jugenheim and Nürnberg has been calculated here.
Air line (approximately)
178 kilometers
96 nautical miles