Ronald Reagan Washington National Airport DCA, also known as Reagan National Airport, or, more simply, Washington National, Reagan Airport or National Airport, is an airport in Arlington, Virginia, located adjacent to the border of Washington, D.C. It is the smaller of two commercial airports operated by the Metropolitan Washington Airports Authority that serve the National Capital Region (NCR) around Washington, D.C. (the larger airport being Washington Dulles International Airport approximately 30 miles to the west in Virginia's Fairfax and Loudoun counties).