Portogruaro to Nettuno 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 Portogruaro-Caorle and arrive at Nettuno every 60 minutes on average. If travelling with Trenitalia, you need to know the Portogruaro to Nettuno train schedule: the first train leaves at 04:13, while the last ride is at 18:24. A Portogruaro to Nettuno train cost about 94.4 €. But how long is the train ride from Portogruaro to Nettuno? Your journey takes about 6 hours on average.