The calculated distance (air line) between Isola di Capo Rizzuto and Taranto is approximately 104 miles respectively 168 kilometers.
By car or train, the actual journey to Taranto is certainly longer, as only the direct route (as the crow flies) between Isola di Capo Rizzuto and Taranto has been calculated here.
Air line (approximately)
168 kilometers
91 nautical miles