Guidonia to Modica 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 Guidonia-Montecelio-S. Angelo and arrive at Modica every about 6 hours on average. If travelling with Trenitalia, you need to know the Guidonia to Modica train schedule: the first train leaves at 18:56, while the last ride is at 20:30. A Guidonia to Modica train cost about 104.2 €. But how long is the train ride from Guidonia to Modica? Your journey takes about 16 hours on average.