Potenza to Alba 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 Alba every about 4 hours on average. If travelling with Trenitalia, you need to know the Potenza to Alba train schedule: the first train leaves at 19:48, while the last ride is at 19:48. A Potenza to Alba train cost about 119.35 €. But how long is the train ride from Potenza to Alba? Your journey takes about 15 hours on average.