Portici to Cassino 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 Portici-Ercolano and arrive at Cassino every about 4 hours on average. If travelling with Trenitalia, you need to know the Portici to Cassino train schedule: the first train leaves at 06:53, while the last ride is at 17:17. A Portici to Cassino train cost about 7.1 €. But how long is the train ride from Portici to Cassino? Your journey takes about 3 hours on average.