Portici 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 Portici-Ercolano and arrive at Comiso every about 12 hours on average. If travelling with Trenitalia, you need to know the Portici to Comiso train schedule: the first train leaves at 08:55, while the last ride is at 08:55. A Portici to Comiso train cost about 65.95 €. But how long is the train ride from Portici to Comiso? Your journey takes about 14 hours on average.