The calculated distance (air line) between Sant'Ilario d'Enza and Reggio nell'Emilia is approximately 10 miles respectively 16 kilometers.
By car or train, the actual journey to Reggio nell'Emilia is certainly longer, as only the direct route (as the crow flies) between Sant'Ilario d'Enza and Reggio nell'Emilia has been calculated here.
Air line (approximately)
16 kilometers
9 nautical miles