The calculated distance (air line) between Fiorenzuola d'Arda and Mestre is approximately 120 miles respectively 193 kilometers.
By car or train, the actual journey to Mestre is certainly longer, as only the direct route (as the crow flies) between Fiorenzuola d'Arda and Mestre has been calculated here.
Air line (approximately)
193 kilometers
104 nautical miles