Sienna 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 Siena and arrive at Viareggio every 60 minutes on average. If travelling with Trenitalia, you need to know the Sienna to Viareggio train schedule: the first train leaves at 06:36, while the last ride is at 20:18. A Sienna to Viareggio train cost about 11.5 €. But how long is the train ride from Sienna to Viareggio? Your journey takes about 2 hours on average. Thanks to Trenitalia, offers, you can save on your trip from Sienna to Viareggio and find low cost tickets starting from 12 €!