The calculated distance (air line) between Prato and Cinisello Balsamo is approximately 148 miles respectively 239 kilometers.
By car or train, the actual journey to Cinisello Balsamo is certainly longer, as only the direct route (as the crow flies) between Prato and Cinisello Balsamo has been calculated here.
Air line (approximately)
239 kilometers
129 nautical miles