Nettuno 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 Nettuno and arrive at Viareggio every 60 minutes on average. If travelling with Trenitalia, you need to know the Nettuno to Viareggio train schedule: the first train leaves at 04:48, while the last ride is at 21:57. A Nettuno to Viareggio train cost about 32.1 €. But how long is the train ride from Nettuno to Viareggio? Your journey takes about 5 hours on average.