Sanremo 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 San Remo and arrive at Trieste Centrale every 60 minutes on average. If travelling with Trenitalia, you need to know the Sanremo to Trieste train schedule: the first train leaves at 10:09, while the last ride is at 14:12. A Sanremo to Trieste train cost about 71.75 €. But how long is the train ride from Sanremo to Trieste? Your journey takes about 11 hours on average.