ICAO		IATA		Other		Location
KNSF		NSF				Camp Springs [Andrews NAF], Maryland, US (21 mi / 34 km S)
		BZS				Washington [Buzzards Point SPB], District of Columbia, US (21 mi / 34 km SW)
				DC09		Washington [Medstar Georgetown University Hospital Helistop], District of Columbia, US (21 mi / 35 km SW)
KGAI		GAI		GAI		Gaithersburg [Montgomery County Airpark], Maryland, US (22 mi / 35 km W)
				5MD1		Brooklandville [Brooklandville Heliport], Maryland, US (22 mi / 35 km N)
				DC52		Washington [Sibley Memorial Hospital Heliport], District of Columbia, US (22 mi / 35 km SW)
				MD13		Towson [Black & Decker/Parking Lot 2 Heliport], Maryland, US (22 mi / 36 km NE)
KJPN		JPN		JPN		Washington [Pentagon Army Heliport], District of Columbia, US (22 mi / 36 km SW)
				W50		Laytonsville [Davis Airport], Maryland, US (22 mi / 36 km NW)
KBOF		BOF		BOF		Washington [Bolling AFB Heliport], District of Columbia, US (23 mi / 36 km SW)
KDCA		DCA		DCA		Washington [Ronald Reagan Washington National Airport], District of Columbia, US (23 mi / 37 km SW)
				90MD		Baltimore [Medstar Franklin Heliport], Maryland, US (23 mi / 37 km NE)
				8MD0		Woodbine [Suzie Field], Maryland, US (23 mi / 37 km NW)
				1MD7		Rockville [Shady Grove Adventist Hospital Heliport], Maryland, US (23 mi / 37 km W)
				84VA		Langley [CIA Headquarters Heliport], Virginia, US (23 mi / 37 km SW)
				MD47		Lisbon [Barnes Airport], Maryland, US (23 mi / 38 km NW)
				MD34		Gaithersburg [Gaithersburg Heliport], Maryland, US (24 mi / 39 km W)
KMTN		MTN		MTN		Baltimore [Martin State Airport], Maryland, US (24 mi / 39 km NE)
				3MD7		Baltimore [Green Terrace Heliport], Maryland, US (25 mi / 40 km NE)
				MD78		Woodbine, Maryland, US (25 mi / 40 km NW)