Sienna to Trecate 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 Trecate every 60 minutes on average. If travelling with Trenitalia, you need to know the Sienna to Trecate train schedule: the first train leaves at 05:00, while the last ride is at 18:41. A Sienna to Trecate train cost about 71.2 €. But how long is the train ride from Sienna to Trecate? Your journey takes about 5 hours on average.