Treviso to Sarno 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 Treviso Centrale and arrive at Sarno every 60 minutes on average. If travelling with Trenitalia, you need to know the Treviso to Sarno train schedule: the first train leaves at 06:25, while the last ride is at 23:14. A Treviso to Sarno train cost about 63.7 €. But how long is the train ride from Treviso to Sarno? Your journey takes about 9 hours on average.