Osimo 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 Osimo-Castelfidardo and arrive at Viareggio every 60 minutes on average. If travelling with Trenitalia, you need to know the Osimo to Viareggio train schedule: the first train leaves at 05:49, while the last ride is at 17:32. A Osimo to Viareggio train cost about 49.45 €. But how long is the train ride from Osimo to Viareggio? Your journey takes about 6 hours on average.