Trento 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 Trento and arrive at Trapani every about 12 hours on average. If travelling with Trenitalia, you need to know the Trento to Trapani train schedule: the first train leaves at 22:16, while the last ride is at 22:16. A Trento to Trapani train cost about 213.5 €. But how long is the train ride from Trento to Trapani? Your journey takes about 24 hours on average.