ICAO		IATA		Other		Location
KNSF		NSF				Camp Springs [Andrews NAF], Maryland, US (36 mi / 59 km SW)
				7MD0		Marydel [Our Domain Airport], Maryland, US (37 mi / 59 km E)
				23DE		Clayton [Full Throttle Farm Airport], Delaware, US (37 mi / 59 km E)
				DE20		Townsend [Spirit Airpark], Delaware, US (37 mi / 60 km E)
				PLNM		Washington [President Lincoln and Soldiers' Home NM (President Lincoln and Soldiers' Home National Monument)], District of Columbia, US (37 mi / 60 km SW)
				DC17		Washington [Children's Hospital Heliport], District of Columbia, US (38 mi / 61 km SW)
				6MD4		Conowingo [Pembroke Farm Airport], Maryland, US (38 mi / 61 km N)
				DC08		Washington [WHC Heliport], District of Columbia, US (38 mi / 61 km SW)
				04MD		Chesapeake City [Chesapeake City Heliport], Maryland, US (38 mi / 61 km NE)
				1MD5		Laytonsville [Federal Support Center Heliport], Maryland, US (38 mi / 62 km W)
				2W2		Westminster [Clearview Airpark], Maryland, US (39 mi / 62 km NW)
		ZWU				Washington [Union Station], District of Columbia, US (39 mi / 62 km SW)
				9DC9		Washington [Congressional Heliport], District of Columbia, US (39 mi / 62 km SW)
				BEPA		Washington [Belmont-Paul Women's Equality NM (Belmont-Paul Women's Equality National Monument)], District of Columbia, US (39 mi / 62 km SW)
				MD78		Woodbine, Maryland, US (39 mi / 62 km W)
				58M		Elkton [Claremont Airport], Maryland, US (39 mi / 62 km NE)
				MD47		Lisbon [Barnes Airport], Maryland, US (39 mi / 63 km W)
				DC03		Washington [US Park Police Eagle's Nest Heliport], District of Columbia, US (39 mi / 63 km SW)
				DC16		Washington [MPD 3rd District Heliport], District of Columbia, US (39 mi / 63 km SW)
				02MD		Brandywine [Garner Field], Maryland, US (39 mi / 63 km SW)