Portogruaro to Trento 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 Trento every 60 minutes on average. If travelling with Trenitalia, you need to know the Portogruaro to Trento train schedule: the first train leaves at 06:38, while the last ride is at 20:24. A Portogruaro to Trento train cost about 13.3 €. But how long is the train ride from Portogruaro to Trento? Your journey takes about 4 hours on average.