Which city is represented by the airport code CMH?

The airport code CMH represents Columbus, Ohio. Airport codes are typically derived from the name of the city, which makes it easier for travelers and airline personnel to identify locations. In this case, CMH stands for "Columbus Metropolitan Airport," serving the major city of Columbus in the state of Ohio.

The other cities listed each have their own unique airport codes. Cincinnati, Ohio has the airport code CVG; Colorado Springs is represented by COS; and Charleston, West Virginia is denoted by CRW. Each of these codes is distinct and specifically assigned to their respective locations, ensuring that airport identifiers are unique and easily recognizable for air travel.