Comiso 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 Comiso and arrive at Trieste Centrale every about 2 hours on average. If travelling with Trenitalia, you need to know the Comiso to Trieste train schedule: the first train leaves at 07:09, while the last ride is at 18:22. A Comiso to Trieste train cost about 122.85 €. But how long is the train ride from Comiso to Trieste? Your journey takes about 8 hours on average.