The calculated distance (air line) between Sant'Ilario d'Enza and Casalmaggiore is approximately 16 miles respectively 26 kilometers.
By car or train, the actual journey to Casalmaggiore is certainly longer, as only the direct route (as the crow flies) between Sant'Ilario d'Enza and Casalmaggiore has been calculated here.
Air line (approximately)
26 kilometers
14 nautical miles