What airport code represents Columbus, Ohio?

The airport code that represents Columbus, Ohio, is CMH. This code is derived from the name of the airport, John Glenn Columbus International Airport, where "CMH" comes from the city name "Columbus" and reflects the airport's location. Airport codes are typically three-letter identifiers established by the International Air Transport Association (IATA) and are designed to be unique for each airport.

In the case of the other options, they refer to different airports in Ohio: DAY indicates Dayton International Airport, CLE represents Cleveland Hopkins International Airport, and CVG stands for Cincinnati/Northern Kentucky International Airport. Each of these codes serves a different location in the state, reinforcing the importance of knowing specific airport codes when discussing air travel or logistics in aviation.