The calculated distance (air line) between Spilamberto and Calderara di Reno is approximately 13 miles respectively 20 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 Spilamberto and Calderara di Reno has been calculated here.
Air line (approximately)
20 kilometers
11 nautical miles