Sarno 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 Sarno and arrive at Rovigo every about 1 hour on average. If travelling with Trenitalia, you need to know the Sarno to Rovigo train schedule: the first train leaves at 05:40, while the last ride is at 16:19. A Sarno to Rovigo train cost about 80.8 €. But how long is the train ride from Sarno to Rovigo? Your journey takes about 7 hours on average.