Grottaglie to Velletri 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 Grottaglie and arrive at Velletri every about 6 hours on average. If travelling with Trenitalia, you need to know the Grottaglie to Velletri train schedule: the first train leaves at 05:30, while the last ride is at 10:45. A Grottaglie to Velletri train cost about 24.8 €. But how long is the train ride from Grottaglie to Velletri? Your journey takes about 12 hours on average.