Arpino to Udine 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 Casoria-Afragola, Napoli Centrale and arrive at Udine every 60 minutes on average. If travelling with Trenitalia, you need to know the Arpino to Udine train schedule: the first train leaves at 04:14, while the last ride is at 20:02. A Arpino to Udine train cost about 91.60 €. But how long is the train ride from Arpino to Udine? Your journey takes about 8 hours on average.