Potenza to Collegno 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 Collegno every about 2 hours on average. If travelling with Trenitalia, you need to know the Potenza to Collegno train schedule: the first train leaves at 07:21, while the last ride is at 19:48. A Potenza to Collegno train cost about 81.25 €. But how long is the train ride from Potenza to Collegno? Your journey takes about 12 hours on average.