Portici to Civitavecchia 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 Civitavecchia every 30 minutes on average. If travelling with Trenitalia, you need to know the Portici to Civitavecchia train schedule: the first train leaves at 07:00, while the last ride is at 20:25. A Portici to Civitavecchia train cost about 15.7 €. But how long is the train ride from Portici to Civitavecchia? Your journey takes about 4 hours on average.