Pompei to Alessandria 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 Pompei and arrive at Alessandria every 60 minutes on average. If travelling with Trenitalia, you need to know the Pompei to Alessandria train schedule: the first train leaves at 06:28, while the last ride is at 21:31. A Pompei to Alessandria train cost about 66.45 €. But how long is the train ride from Pompei to Alessandria? Your journey takes about 9 hours on average.