Alpignano to Portogruaro 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 Alpignano and arrive at Portogruaro-Caorle every 60 minutes on average. If travelling with Trenitalia, you need to know the Alpignano to Portogruaro train schedule: the first train leaves at 05:25, while the last ride is at 17:55. A Alpignano to Portogruaro train cost about 63.1 €. But how long is the train ride from Alpignano to Portogruaro? Your journey takes about 7 hours on average.