The calculated distance (air line) between Pavullo nel Frignano and Calderara di Reno is approximately 27 miles respectively 43 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 Pavullo nel Frignano and Calderara di Reno has been calculated here.
Air line (approximately)
43 kilometers
23 nautical miles