Which airport code corresponds to Cincinnati, OH?

The airport code that corresponds to Cincinnati, OH, is CVG. This designation is derived from the name of the city, Cincinnati, and the local airport's official name, Cincinnati/Northern Kentucky International Airport. Each airport has a unique three-letter code assigned by the International Air Transport Association (IATA) for easy identification. CVG is specifically recognized for commercial flight operations in Cincinnati and is an important hub for the region, making it the correct answer in the context of identifying the airport code for this city.

In contrast, the other codes correspond to different airports: BDL is for Bradley International Airport in Connecticut, BNA represents Nashville International Airport in Tennessee, and SLC stands for Salt Lake City International Airport in Utah. These codes indicate their respective locations and do not relate to Cincinnati.