Potenza to Taranto trains might be a good value for money solution: travelling in Italy by train is often rather cheap and faster than taking a bus indeed Trains leave from Potenza Centrale and arrive at Taranto every about 1 hour on average. If travelling with Trenitalia, you need to know the Potenza to Taranto train schedule: the first train leaves at 14:29, while the last ride is at 19:22. A Potenza to Taranto train cost about 8.2 €. But how long is the train ride from Potenza to Taranto? Your journey takes about 2 hours on average. Trenitalia offers 3 direct trains between these two cities.