To get from San Benedetto del Tronto a Trentola-Ducenta by train you can catch one of the 3 trains that everyday travel between Porto D'Ascoli and S. Marcellino-Frignano, the closest station to the city. For your trip from Porto D'Ascoli to S. Marcellino-Frignano by train you can choose to leave from one of Porto D'Ascoli main stations: Porto D'Ascoli If travelling with Trenitalia, you need to know the Porto D'Ascoli to S. Marcellino-Frignano train schedule: the first train leaves at 07:08, while the last ride is at 10:52. A Porto D'Ascoli to S. Marcellino-Frignano train cost about 31.85 €. But how long is the train ride from Porto D'Ascoli to S. Marcellino-Frignano? Your journey takes about 8 hours on average.