The calculated distance (air line) between Casano-Dogana-Isola and Parma is approximately 52 miles respectively 84 kilometers.
By car or train, the actual journey to Parma is certainly longer, as only the direct route (as the crow flies) between Casano-Dogana-Isola and Parma has been calculated here.
Air line (approximately)
84 kilometers
45 nautical miles