San Giovanni Valdarno 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 S. Giovanni Valdarno and arrive at Comiso every about 4 hours on average. If travelling with Trenitalia, you need to know the San Giovanni Valdarno to Comiso train schedule: the first train leaves at 17:41, while the last ride is at 19:12. A San Giovanni Valdarno to Comiso train cost about 101.2 €. But how long is the train ride from San Giovanni Valdarno to Comiso? Your journey takes about 18 hours on average.