Portici to Niscemi 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 Niscemi every about 6 hours on average. If travelling with Trenitalia, you need to know the Portici to Niscemi train schedule: the first train leaves at 08:50, while the last ride is at 22:50. A Portici to Niscemi train cost about 62.55 €. But how long is the train ride from Portici to Niscemi? Your journey takes about 15 hours on average.