Sulmona to Trento 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 Trento every about 1 hour on average. If travelling with Trenitalia, you need to know the Sulmona to Trento train schedule: the first train leaves at 05:57, while the last ride is at 15:40. A Sulmona to Trento train cost about 71.2 €. But how long is the train ride from Sulmona to Trento? Your journey takes about 8 hours on average.