Casalnuovo di Napoli to Milan 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 Milano Porta Venezia every about 6 hours on average. If travelling with Trenitalia, you need to know the Casalnuovo di Napoli to Milan train schedule: the first train leaves at 13:34, while the last ride is at 21:21. A Casalnuovo di Napoli to Milan train cost about 95.0 €. But how long is the train ride from Casalnuovo di Napoli to Milan? Your journey takes about 10 hours on average.