The calculated distance (air line) between Calderara di Reno and Campogalliano is approximately 23 miles respectively 36 kilometers.
By car or train, the actual journey to Campogalliano is certainly longer, as only the direct route (as the crow flies) between Calderara di Reno and Campogalliano has been calculated here.
Air line (approximately)
36 kilometers
20 nautical miles