Trento 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 Trento and arrive at Sulmona every about 1 hour on average. If travelling with Trenitalia, you need to know the Trento to Sulmona train schedule: the first train leaves at 05:37, while the last ride is at 19:10. A Trento to Sulmona train cost about 64.0 €. But how long is the train ride from Trento to Sulmona? Your journey takes about 9 hours on average.