Portogruaro 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 Portogruaro-Caorle and arrive at Milano Porta Venezia every about 2 hours on average. If travelling with Trenitalia, you need to know the Portogruaro to Milan train schedule: the first train leaves at 09:24, while the last ride is at 18:24. A Portogruaro to Milan train cost about 22.7 €. But how long is the train ride from Portogruaro to Milan? Your journey takes about 5 hours on average.