To get from Trapani a Gaeta by train you can catch one of the 4 trains that everyday travel between Trapani and Formia-Gaeta, the closest station to the city. For your trip from Trapani to Formia-Gaeta by train you can choose to leave from one of Trapani main stations: Trapani If travelling with Trenitalia, you need to know the Trapani to Formia-Gaeta train schedule: the first train leaves at 05:43, while the last ride is at 09:38. A Trapani to Formia-Gaeta train cost about 70.8 €. But how long is the train ride from Trapani to Formia-Gaeta? Your journey takes about 17 hours on average.