Potenza to Treviglio 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 Treviglio every about 1 hour on average. If travelling with Trenitalia, you need to know the Potenza to Treviglio train schedule: the first train leaves at 07:21, while the last ride is at 19:48. A Potenza to Treviglio train cost about 72.6 €. But how long is the train ride from Potenza to Treviglio? Your journey takes about 11 hours on average.