The calculated distance (air line) between Piacenza and Rivolta d'Adda is approximately 30 miles respectively 49 kilometers.
By car or train, the actual journey to Rivolta d'Adda is certainly longer, as only the direct route (as the crow flies) between Piacenza and Rivolta d'Adda has been calculated here.
Air line (approximately)
49 kilometers
26 nautical miles