Treviglio 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 Treviglio and arrive at Viareggio every 60 minutes on average. If travelling with Trenitalia, you need to know the Treviglio to Viareggio train schedule: the first train leaves at 06:02, while the last ride is at 19:02. A Treviglio to Viareggio train cost about 19.8 €. But how long is the train ride from Treviglio to Viareggio? Your journey takes about 5 hours on average.