The calculated distance (air line) between Bari and Cava Dè Tirreni is approximately 117 miles respectively 188 kilometers.
By car or train, the actual journey to Cava Dè Tirreni is certainly longer, as only the direct route (as the crow flies) between Bari and Cava Dè Tirreni has been calculated here.
Air line (approximately)
188 kilometers
101 nautical miles