Prato 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 Prato Porta al Serraglio and arrive at Viareggio every 60 minutes on average. If travelling with Trenitalia, you need to know the Prato to Viareggio train schedule: the first train leaves at 05:30, while the last ride is at 22:34. A Prato to Viareggio train cost about 8.1 €. But how long is the train ride from Prato to Viareggio? Your journey takes about 1 hour on average. Trenitalia offers 14 direct trains between these two cities.