Bari 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 Bari Centrale and arrive at Acerra every about 3 hours on average. If travelling with Trenitalia, you need to know the Bari to Acerra train schedule: the first train leaves at 07:15, while the last ride is at 18:17. A Bari to Acerra train cost about 32.8 €. But how long is the train ride from Bari to Acerra? Your journey takes about 4 hours on average.