Rovereto 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 Rovereto and arrive at Trieste Centrale every 60 minutes on average. If travelling with Trenitalia, you need to know the Rovereto to Trieste train schedule: the first train leaves at 07:25, while the last ride is at 19:25. A Rovereto to Trieste train cost about 44.3 €. But how long is the train ride from Rovereto to Trieste? Your journey takes about 4 hours on average.