Monopoli 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 Monopoli and arrive at Nettuno every about 3 hours on average. If travelling with Trenitalia, you need to know the Monopoli to Nettuno train schedule: the first train leaves at 06:23, while the last ride is at 17:36. A Monopoli to Nettuno train cost about 55.7 €. But how long is the train ride from Monopoli to Nettuno? Your journey takes about 7 hours on average.