Avellino 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 Avellino and arrive at Treviglio every about 12 hours on average. If travelling with Trenitalia, you need to know the Avellino to Treviglio train schedule: the first train leaves at 06:49, while the last ride is at 06:49. A Avellino to Treviglio train cost about 160.3 €. But how long is the train ride from Avellino to Treviglio? Your journey takes about 9 hours on average.