The calculated distance (air line) between Sant'Ilario d'Enza and Campogalliano is approximately 20 miles respectively 33 kilometers.
By car or train, the actual journey to Campogalliano is certainly longer, as only the direct route (as the crow flies) between Sant'Ilario d'Enza and Campogalliano has been calculated here.
Air line (approximately)
33 kilometers
18 nautical miles