Cleveland-Hopkins International Airport (CLE) is located 9 miles (14 km) from the central business district of Cleveland, Cuyahoga County, Ohio. It is the largest airport in Ohio, ranking 39th among the largest airports in North America in 2009. This airport is one of the hub airports of Continental Airlines.
Cincinnati/Northern Kentucky International Airport (CVG), which is located in Herb, Boone County, Kentucky, and not in Ohio, covers an area of 7,000 acres (28 square kilometers). The airport is the third largest hub of Delta Air Lines and the largest hub of Comair.