The calculated distance (air line) between San Pietro in Casale and Castelfranco Emilia is approximately 19 miles respectively 30 kilometers.
By car or train, the actual journey to Castelfranco Emilia is certainly longer, as only the direct route (as the crow flies) between San Pietro in Casale and Castelfranco Emilia has been calculated here.
Air line (approximately)
30 kilometers
16 nautical miles