Asti to Nettuno 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 Asti and arrive at Nettuno every about 2 hours on average. If travelling with Trenitalia, you need to know the Asti to Nettuno train schedule: the first train leaves at 04:32, while the last ride is at 16:00. A Asti to Nettuno train cost about 73.1 €. But how long is the train ride from Asti to Nettuno? Your journey takes about 8 hours on average.