You can reach Ravenna from Guglielmo Marconi airport in Bologna. The airport is 6 km far from Bologna. Check your flight connections at the website http://www.bologna-airport.it/.
Ravenna is connected to Bologna airport both by a shuttle bus directly and by train via Bologna central railway station .
You can reach Ravenna from Bologna central railway station, one of the most important railway stations in Italy. Any major Italian city is directly connected with Bologna central station.