Washington, D.C.
Three major airports serve The District. The Ronald Reagan Washington National Airport is across from downtown Washington in Arlington, Virginia and has its own Metrorail station.  Major international flights arrive and depart from Washington Dulles International Airport,  west of the District in Fairfax and Loudoun counties in Virginia. Dulles gained its own Metrorail station in 2016. Baltimore/Washington International Thurgood Marshall Airport is  northeast of the District in Anne Arundel County, Maryland.