Benevento to Mazara del Vallo 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 Benevento and arrive at Mazara del Vallo every about 12 hours on average. If travelling with Trenitalia, you need to know the Benevento to Mazara del Vallo train schedule: the first train leaves at 20:31, while the last ride is at 20:31. A Benevento to Mazara del Vallo train cost about 123.6 €. But how long is the train ride from Benevento to Mazara del Vallo? Your journey takes about 21 hours on average.