Which airport code is associated with Raleigh (Durham), North Carolina?

The airport code associated with Raleigh (Durham), North Carolina, is RDU. This code is derived from the name of the cities it serves, with "R" representing Raleigh and "DU" representing Durham, which highlights the dual-cities aspect of the airport's location. RDU serves as the primary airport for the Research Triangle area, making it an essential hub for both domestic and international flights in North Carolina.

The other airport codes mentioned are associated with other geographical locations: ROA corresponds to Roanoke, Virginia; RIC is the airport code for Richmond, Virginia; and SAT is the airport code for San Antonio, Texas. Knowing the correct airport code is essential for travelers and aviation professionals as it helps in ticketing, scheduling, and navigating the aviation system efficiently.