Gravina in Puglia to Treviglio 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 Gravina in Puglia and arrive at Treviglio every about 1 hour on average. If travelling with Trenitalia, you need to know the Gravina in Puglia to Treviglio train schedule: the first train leaves at 07:10, while the last ride is at 20:25. A Gravina in Puglia to Treviglio train cost about 77.6 €. But how long is the train ride from Gravina in Puglia to Treviglio? Your journey takes about 13 hours on average.