Aosta 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 Aosta and arrive at Viareggio every about 2 hours on average. If travelling with Trenitalia, you need to know the Aosta to Viareggio train schedule: the first train leaves at 05:16, while the last ride is at 15:26. A Aosta to Viareggio train cost about 28.95 €. But how long is the train ride from Aosta to Viareggio? Your journey takes about 7 hours on average.