Gorizia to Siderno 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 Gorizia Centrale and arrive at Siderno every about 2 hours on average. If travelling with Trenitalia, you need to know the Gorizia to Siderno train schedule: the first train leaves at 12:18, while the last ride is at 21:31. A Gorizia to Siderno train cost about 127.6 €. But how long is the train ride from Gorizia to Siderno? Your journey takes about 18 hours on average.