Trieste to Oristano 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 Trieste Centrale and arrive at Civitavecchia every 60 minutes on average. If travelling with Trenitalia, you need to know the Trieste to Oristano train schedule: the first train leaves at 05:15, while the last ride is at 20:40. A Trieste to Oristano train cost about 73.5 €. But how long is the train ride from Trieste to Oristano? Your journey takes about 8 hours on average.