Sarno 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 Sarno and arrive at Sulmona every about 2 hours on average. If travelling with Trenitalia, you need to know the Sarno to Sulmona train schedule: the first train leaves at 09:54, while the last ride is at 14:36. A Sarno to Sulmona train cost about 15.8 €. But how long is the train ride from Sarno to Sulmona? Your journey takes about 8 hours on average.