ICAO		IATA		Other		Location
KNSF		NSF				Camp Springs [Andrews NAF], Maryland, US (27 mi / 43 km SW)
				MD19		Chestertown [Hybarc Farm Airport], Maryland, US (27 mi / 44 km E)
				MD48		Long Green [Albrecht Airstrip], Maryland, US (27 mi / 44 km N)
				MD11		Chestertown [Wright Field], Maryland, US (27 mi / 44 km NE)
				6MD9		Takoma Park [Washington Adventist Hospital Heliport], Maryland, US (28 mi / 44 km W)
				DC07		Washington [MPD 5th Heliport], District of Columbia, US (28 mi / 45 km SW)
				MD58		Olney [Montgomery County Police Norwood Heliport], Maryland, US (28 mi / 45 km W)
				MD69		Still Pond [Harris Airport], Maryland, US (29 mi / 46 km NE)
				PLNM		Washington [President Lincoln and Soldiers' Home NM (President Lincoln and Soldiers' Home National Monument)], District of Columbia, US (29 mi / 47 km W)
				DC17		Washington [Children's Hospital Heliport], District of Columbia, US (29 mi / 47 km W)
				W42		Fallston, Maryland, US (29 mi / 47 km N)
				DC08		Washington [WHC Heliport], District of Columbia, US (30 mi / 48 km W)
				9DC9		Washington [Congressional Heliport], District of Columbia, US (30 mi / 48 km SW)
				MD63		Chestertown [Cromwell Farm Airport], Maryland, US (30 mi / 48 km NE)
		ZWU				Washington [Union Station], District of Columbia, US (30 mi / 48 km SW)
				BEPA		Washington [Belmont-Paul Women's Equality NM (Belmont-Paul Women's Equality National Monument)], District of Columbia, US (30 mi / 48 km SW)
				MD46		Dayton [Glenair Airport], Maryland, US (30 mi / 48 km NW)
				18MD		Olney [Medstar Montgomery Medical Center Heliport], Maryland, US (30 mi / 48 km W)
KESN		ESN		ESN		Easton [Easton/Newnam Field], Maryland, US (30 mi / 48 km SE)
				DC03		Washington [US Park Police Eagle's Nest Heliport], District of Columbia, US (30 mi / 49 km SW)