O'Hare International Airport, usually referred to as O'Hare Airport, Chicago O'Hare, or simply O'Hare, is an international airport located on the far Northwest Side of Chicago, Illinois, 14 miles (23 km) northwest of the Loop business district, operated by the Chicago Department of Aviation and covering 7,627 acres (3,087 ha). O'Hare has direct flights to 217 destinations in North America, South America, Asia, Africa, and Europe.