Erba to Piacenza 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 Moiana and arrive at Piacenza every 30 minutes on average. If travelling with Trenitalia, you need to know the Erba to Piacenza train schedule: the first train leaves at 07:00, while the last ride is at 20:16. A Erba to Piacenza train cost about 9.2 €. But how long is the train ride from Erba to Piacenza? Your journey takes about 3 hours on average.