Rieti to Trapani 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 Rieti and arrive at Trapani every about 12 hours on average. If travelling with Trenitalia, you need to know the Rieti to Trapani train schedule: the first train leaves at 18:20, while the last ride is at 18:20. A Rieti to Trapani train cost about 78.91 €. But how long is the train ride from Rieti to Trapani? Your journey takes about 20 hours on average.