The calculated distance (air line) between Pavullo nel Frignano and Castellarano is approximately 14 miles respectively 22 kilometers.
By car or train, the actual journey to Castellarano is certainly longer, as only the direct route (as the crow flies) between Pavullo nel Frignano and Castellarano has been calculated here.
Air line (approximately)
22 kilometers
12 nautical miles