Sarno to Viareggio 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 Viareggio every about 2 hours on average. If travelling with Trenitalia, you need to know the Sarno to Viareggio train schedule: the first train leaves at 07:22, while the last ride is at 21:28. A Sarno to Viareggio train cost about 71.2 €. But how long is the train ride from Sarno to Viareggio? Your journey takes about 8 hours on average.