Casalnuovo di Napoli 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 Casalnuovo di Napoli and arrive at Treviglio every about 1 hour on average. If travelling with Trenitalia, you need to know the Casalnuovo di Napoli to Treviglio train schedule: the first train leaves at 07:00, while the last ride is at 21:21. A Casalnuovo di Napoli to Treviglio train cost about 86.6 €. But how long is the train ride from Casalnuovo di Napoli to Treviglio? Your journey takes about 7 hours on average.