Monopoli to Acerra 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 Acerra every about 4 hours on average. If travelling with Trenitalia, you need to know the Monopoli to Acerra train schedule: the first train leaves at 06:23, while the last ride is at 14:44. A Monopoli to Acerra train cost about 25.4 €. But how long is the train ride from Monopoli to Acerra? Your journey takes about 7 hours on average.