Casalnuovo di Napoli 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 Casalnuovo di Napoli and arrive at Trapani every about 12 hours on average. If travelling with Trenitalia, you need to know the Casalnuovo di Napoli to Trapani train schedule: the first train leaves at 21:21, while the last ride is at 21:21. A Casalnuovo di Napoli to Trapani train cost about 100.6 €. But how long is the train ride from Casalnuovo di Napoli to Trapani? Your journey takes about 17 hours on average.