Colleferro to Trieste 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 Colleferro-Segni-Paliano and arrive at Trieste Centrale every 60 minutes on average. If travelling with Trenitalia, you need to know the Colleferro to Trieste train schedule: the first train leaves at 05:33, while the last ride is at 21:41. A Colleferro to Trieste train cost about 67.1 €. But how long is the train ride from Colleferro to Trieste? Your journey takes about 8 hours on average.