Nettuno to Rieti 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 Cittaducale every about 1 hour on average. If travelling with Trenitalia, you need to know the Nettuno to Rieti train schedule: the first train leaves at 06:30, while the last ride is at 18:07. A Nettuno to Rieti train cost about 12.3 €. But how long is the train ride from Nettuno to Rieti? Your journey takes about 4 hours on average.