Castellammare di Stabia to Vasto 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 Castellammare di Stabia and arrive at Porto di Vasto every about 4 hours on average. If travelling with Trenitalia, you need to know the Castellammare di Stabia to Vasto train schedule: the first train leaves at 06:20, while the last ride is at 13:20. A Castellammare di Stabia to Vasto train cost about 40 €. But how long is the train ride from Castellammare di Stabia to Vasto? Your journey takes about 5 hours on average.