Formia to Trento 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 Trento every about 1 hour on average. If travelling with Trenitalia, you need to know the Formia to Trento train schedule: the first train leaves at 04:18, while the last ride is at 11:33. A Formia to Trento train cost about 80.5 €. But how long is the train ride from Formia to Trento? Your journey takes about 7 hours on average. Thanks to Trenitalia, offers, you can save on your trip from Formia to Trento and find low cost tickets starting from 39 €!