Cleveland Hopkins International Airport (CLE)
Akron-Canton Regional Airport (CAK)
Port Columbus International Airport (CMH) - Columbus
Cox International Airport - Dayton (DAY)
Wright-Patterson Air Force Base - Fairborn (FFO)
The identifier for "WPAFB," or "The Base" as it is called here in the Dayton area, is FFO because the city of Fairborn was once two separate towns, Fairfield and Osborn. Since there is already a Fairfield (northwest of Cincinnati), the two names were shortened and then combined to form a unique name.
Wilmington Industrial Airport - Wilmington (ILN)
Lunken Field (LUK) - Cincinnati
The Greater Cincinnati-Northern Kentucky Airport (CVG) is located in Covington, KY and is not featured here.