Potenza to Niscemi 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 Niscemi every about 12 hours on average. If travelling with Trenitalia, you need to know the Potenza to Niscemi train schedule: the first train leaves at 11:20, while the last ride is at 11:20. A Potenza to Niscemi train cost about 64.15 €. But how long is the train ride from Potenza to Niscemi? Your journey takes about 21 hours on average.