Nettuno to Como 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 Como S. Giovanni every about 1 hour on average. If travelling with Trenitalia, you need to know the Nettuno to Como train schedule: the first train leaves at 07:31, while the last ride is at 20:07. A Nettuno to Como train cost about 59.6 €. But how long is the train ride from Nettuno to Como? Your journey takes about 8 hours on average.