Sanremo to Trapani 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 Trapani every about 12 hours on average. If travelling with Trenitalia, you need to know the Sanremo to Trapani train schedule: the first train leaves at 19:15, while the last ride is at 19:15. A Sanremo to Trapani train cost about 155.8 €. But how long is the train ride from Sanremo to Trapani? Your journey takes about 2 hours on average.