Collegno 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 Collegno and arrive at Trieste Centrale every 60 minutes on average. If travelling with Trenitalia, you need to know the Collegno to Trieste train schedule: the first train leaves at 05:00, while the last ride is at 17:30. A Collegno to Trieste train cost about 51.8 €. But how long is the train ride from Collegno to Trieste? Your journey takes about 7 hours on average.