Sava 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 Oria and arrive at Salerno, Gaggiano every about 1 hour on average. If travelling with Trenitalia, you need to know the Sava to Trezzano sul Naviglio train schedule: the first train leaves at 07:17, while the last ride is at 19:22. A Sava to Trezzano sul Naviglio train cost about 15.55 €. But how long is the train ride from Sava to Trezzano sul Naviglio? Your journey takes about 8 hours on average.