The calculated distance (air line) between Nürnberg and Schwäbisch Gmünd is approximately 73 miles respectively 118 kilometers.
By car or train, the actual journey to Schwäbisch Gmünd is certainly longer, as only the direct route (as the crow flies) between Nürnberg and Schwäbisch Gmünd has been calculated here.
Air line (approximately)
118 kilometers
64 nautical miles