Portici to Rovigo 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 Rovigo every 60 minutes on average. If travelling with Trenitalia, you need to know the Portici to Rovigo train schedule: the first train leaves at 07:00, while the last ride is at 22:50. A Portici to Rovigo train cost about 53.1 €. But how long is the train ride from Portici to Rovigo? Your journey takes about 8 hours on average.