Casal di Principe to Rovigo 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 Napoli Centrale, Albanova and arrive at Rovigo every 30 minutes on average. If travelling with Trenitalia, you need to know the Casal di Principe to Rovigo train schedule: the first train leaves at 04:20, while the last ride is at 21:32. A Casal di Principe to Rovigo train cost about 52.2 €. But how long is the train ride from Casal di Principe to Rovigo? Your journey takes about 7 hours on average.