Portici to Treviso 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 Treviso Centrale every about 1 hour on average. If travelling with Trenitalia, you need to know the Portici to Treviso train schedule: the first train leaves at 07:00, while the last ride is at 15:55. A Portici to Treviso train cost about 104.0 €. But how long is the train ride from Portici to Treviso? Your journey takes about 7 hours on average.