Salerno to Treviglio 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 Salerno and arrive at Treviglio every 60 minutes on average. If travelling with Trenitalia, you need to know the Salerno to Treviglio train schedule: the first train leaves at 03:25, while the last ride is at 23:33. A Salerno to Treviglio train cost about 46.9 €. But how long is the train ride from Salerno to Treviglio? Your journey takes about 8 hours on average.