Potenza to Barletta 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 Barletta every about 1 hour on average. If travelling with Trenitalia, you need to know the Potenza to Barletta train schedule: the first train leaves at 05:14, while the last ride is at 19:41. A Potenza to Barletta train cost about 10.85 €. But how long is the train ride from Potenza to Barletta? Your journey takes about 3 hours on average.