Piossasco to Trezzano sul Naviglio 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 Torino Porta Susa, Airasca and arrive at Milano Centrale, Gaggiano every 20 minutes on average. If travelling with Trenitalia, you need to know the Piossasco to Trezzano sul Naviglio train schedule: the first train leaves at 05:06, while the last ride is at 23:06. A Piossasco to Trezzano sul Naviglio train cost about 12.45 €. But how long is the train ride from Piossasco to Trezzano sul Naviglio? Your journey takes about 2 hours on average. Trenitalia offers 19 direct trains between these two cities.