Imperia 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 Imperia and arrive at Acerra every about 2 hours on average. If travelling with Trenitalia, you need to know the Imperia to Acerra train schedule: the first train leaves at 06:33, while the last ride is at 20:42. A Imperia to Acerra train cost about 60.6 €. But how long is the train ride from Imperia to Acerra? Your journey takes about 13 hours on average.