Erba to Legnano 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 Legnano every 20 minutes on average. If travelling with Trenitalia, you need to know the Erba to Legnano train schedule: the first train leaves at 06:42, while the last ride is at 20:16. A Erba to Legnano train cost about 6.7 €. But how long is the train ride from Erba to Legnano? Your journey takes about 2 hours on average.