The calculated distance (air line) between Correggio and Castelfranco Emilia is approximately 18 miles respectively 29 kilometers.
By car or train, the actual journey to Castelfranco Emilia is certainly longer, as only the direct route (as the crow flies) between Correggio and Castelfranco Emilia has been calculated here.
Air line (approximately)
29 kilometers
15 nautical miles