The calculated distance (air line) between Rosignano Solvay-Castiglioncello and Turin is approximately 179 miles respectively 288 kilometers.
By car or train, the actual journey to Turin is certainly longer, as only the direct route (as the crow flies) between Rosignano Solvay-Castiglioncello and Turin has been calculated here.
Air line (approximately)
288 kilometers
155 nautical miles