The calculated distance (air line) between Rosignano Solvay-Castiglioncello and Brescia is approximately 149 miles respectively 239 kilometers.
By car or train, the actual journey to Brescia is certainly longer, as only the direct route (as the crow flies) between Rosignano Solvay-Castiglioncello and Brescia has been calculated here.
Air line (approximately)
239 kilometers
129 nautical miles