Grottaglie to Udine 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 Udine every about 4 hours on average. If travelling with Trenitalia, you need to know the Grottaglie to Udine train schedule: the first train leaves at 05:30, while the last ride is at 12:10. A Grottaglie to Udine train cost about 117.25 €. But how long is the train ride from Grottaglie to Udine? Your journey takes about 16 hours on average.