Palermo to Sulmona 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 Palermo Centrale and arrive at Sulmona every about 6 hours on average. If travelling with Trenitalia, you need to know the Palermo to Sulmona train schedule: the first train leaves at 21:10, while the last ride is at 21:10. A Palermo to Sulmona train cost about 98.5 €. But how long is the train ride from Palermo to Sulmona? Your journey takes about 17 hours on average.