Formia 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 Formia-Gaeta and arrive at Udine every 60 minutes on average. If travelling with Trenitalia, you need to know the Formia to Udine train schedule: the first train leaves at 05:18, while the last ride is at 20:33. A Formia to Udine train cost about 64.2 €. But how long is the train ride from Formia to Udine? Your journey takes about 8 hours on average.