Frosinone 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 Frosinone and arrive at Viareggio every 60 minutes on average. If travelling with Trenitalia, you need to know the Frosinone to Viareggio train schedule: the first train leaves at 06:01, while the last ride is at 18:20. A Frosinone to Viareggio train cost about 28.75 €. But how long is the train ride from Frosinone to Viareggio? Your journey takes about 6 hours on average.