Sondrio to Comiso 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 Sondrio and arrive at Comiso every about 3 hours on average. If travelling with Trenitalia, you need to know the Sondrio to Comiso train schedule: the first train leaves at 11:38, while the last ride is at 17:38. A Sondrio to Comiso train cost about 122.35 €. But how long is the train ride from Sondrio to Comiso? Your journey takes about 7 hours on average.