Potenza to Vasto 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 Superiore and arrive at Porto di Vasto every about 6 hours on average. If travelling with Trenitalia, you need to know the Potenza to Vasto train schedule: the first train leaves at 10:01, while the last ride is at 13:39. A Potenza to Vasto train cost about 24.3 €. But how long is the train ride from Potenza to Vasto? Your journey takes about 5 hours on average.