Sienna 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 Siena and arrive at Velletri every 60 minutes on average. If travelling with Trenitalia, you need to know the Sienna to Velletri train schedule: the first train leaves at 06:25, while the last ride is at 18:43. A Sienna to Velletri train cost about 19.35 €. But how long is the train ride from Sienna to Velletri? Your journey takes about 5 hours on average.