Arpino to Trieste 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. You can count on 43 daily rides to get from Arpino to Trieste. Trains leave from Casoria-Afragola,Napoli Centrale and arrive at Trieste Centrale,Udine every 20 minutes on average. The trip by train from Arpino to Trieste last on average 07:00 travelling with high-speed trains (Frecciarossa or Italotreno) If travelling with Trenitalia, you need to know the Arpino to Trieste train schedule: the first train leaves at 06:49, while the last ride is at 20:01. A Arpino to Trieste train cost about 69.2 €. But how long is the train ride from Arpino to Trieste? Your journey takes about 10 hours on average.