Ottaviano 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 Napoli Centrale and arrive at Venezia S. Lucia every about 12 hours on average. If travelling with Trenitalia, you need to know the Ottaviano to Trieste train schedule: the first train leaves at 20:31, while the last ride is at 20:31. A Ottaviano to Trieste train cost about 79.1 €. But how long is the train ride from Ottaviano to Trieste? Your journey takes about 11 hours on average. Thanks to Trenitalia, offers, you can save on your trip from Ottaviano to Trieste and find low cost tickets starting from 22 €!