The calculated distance (air line) between Salerno and Giffoni Valle Piana is approximately 8 miles respectively 13 kilometers.
By car or train, the actual journey to Giffoni Valle Piana is certainly longer, as only the direct route (as the crow flies) between Salerno and Giffoni Valle Piana has been calculated here.
Air line (approximately)
13 kilometers
7 nautical miles