Sulmona to Treviso 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 Sulmona and arrive at Treviso Centrale every about 4 hours on average. If travelling with Trenitalia, you need to know the Sulmona to Treviso train schedule: the first train leaves at 05:57, while the last ride is at 10:25. A Sulmona to Treviso train cost about 69.1 €. But how long is the train ride from Sulmona to Treviso? Your journey takes about 8 hours on average.