Grugliasco 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 Collegno and arrive at Trapani every about 6 hours on average. If travelling with Trenitalia, you need to know the Grugliasco to Trapani train schedule: the first train leaves at 17:00, while the last ride is at 19:00. A Grugliasco to Trapani train cost about 94.9 €. But how long is the train ride from Grugliasco to Trapani? Your journey takes about 12 hours on average.