The calculated distance (air line) between Castelfranco Emilia and Calderara di Reno is approximately 11 miles respectively 18 kilometers.
By car or train, the actual journey to Calderara di Reno is certainly longer, as only the direct route (as the crow flies) between Castelfranco Emilia and Calderara di Reno has been calculated here.
Air line (approximately)
18 kilometers
10 nautical miles