Grumo Nevano to Comiso 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 Frattamaggiore-Grumo and arrive at Comiso every about 3 hours on average. If travelling with Trenitalia, you need to know the Grumo Nevano to Comiso train schedule: the first train leaves at 08:40, while the last ride is at 22:35. A Grumo Nevano to Comiso train cost about 64.75 €. But how long is the train ride from Grumo Nevano to Comiso? Your journey takes about 17 hours on average.