Trapani to Treviglio 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 Trapani and arrive at Treviglio every about 6 hours on average. If travelling with Trenitalia, you need to know the Trapani to Treviglio train schedule: the first train leaves at 05:43, while the last ride is at 05:43. A Trapani to Treviglio train cost about 207.45 €. But how long is the train ride from Trapani to Treviglio? Your journey takes about 1 hour on average.