Nettuno 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 Nettuno and arrive at Comiso every about 6 hours on average. If travelling with Trenitalia, you need to know the Nettuno to Comiso train schedule: the first train leaves at 18:07, while the last ride is at 20:07. A Nettuno to Comiso train cost about 110.8 €. But how long is the train ride from Nettuno to Comiso? Your journey takes about 18 hours on average.