Acerra to Imperia 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 Acerra and arrive at Imperia Porto Maurizio every about 2 hours on average. If travelling with Trenitalia, you need to know the Acerra to Imperia train schedule: the first train leaves at 09:16, while the last ride is at 21:17. A Acerra to Imperia train cost about 67.8 €. But how long is the train ride from Acerra to Imperia? Your journey takes about 11 hours on average.