Osimo to Velletri 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 Velletri every about 1 hour on average. If travelling with Trenitalia, you need to know the Osimo to Velletri train schedule: the first train leaves at 05:49, while the last ride is at 17:32. A Osimo to Velletri train cost about 20.3 €. But how long is the train ride from Osimo to Velletri? Your journey takes about 7 hours on average.