ICAO		IATA		Other		Location
KNSF		NSF				Camp Springs [Andrews NAF], Maryland, US (33 mi / 53 km SE)
				1VA4		Marshall [Evergreen Heliport], Virginia, US (33 mi / 53 km SW)
				4MD7		Thurmont [Catoctin Crosswind Airport], Maryland, US (33 mi / 54 km N)
				MD20		Taneytown [Makoutz Airport], Maryland, US (33 mi / 54 km N)
KHEF		MNZ		HEF		Washington [Manassas Regional/Harry P Davis Field], District of Columbia, US (33 mi / 54 km SW)
KDMW				DMW		Westminster [Carroll County Regional/Jack B Poage Field], Maryland, US (34 mi / 54 km NE)
				9VA5		Bluemont [Bluegrass Heliport], Virginia, US (34 mi / 54 km W)
KVKX				VKX		Friendly [Potomac Airfield], Maryland, US (34 mi / 54 km SE)
				2VG6		Manassas [Rychlk Heliport], Virginia, US (34 mi / 55 km SW)
				MD72		Fort Washington [Fort Washington Medical Center Heliport], Maryland, US (34 mi / 55 km SE)
				MD68		Stevenson [Berg's Field Heliport], Maryland, US (34 mi / 55 km NE)
				22MD		Hagerstown [Laura's Landing Airport], Maryland, US (35 mi / 56 km NW)
				01VA		Berryville [Pickles Airport], Virginia, US (35 mi / 56 km W)
				4MD9		Owings Mills [Worthington Valley Airport], Maryland, US (35 mi / 56 km NE)
				8MD3		Baltimore [Sinai II Heliport], Maryland, US (35 mi / 57 km E)
				0MD0		Glen Burnie [Baltimore Washington Medical Center Heliport], Maryland, US (35 mi / 57 km E)
				7MD2		Emmitsburg [National Emergency Training Center Heliport], Maryland, US (36 mi / 57 km N)
				MD71		Baltimore [University of Maryland Shock Trauma Center Heliport], Maryland, US (36 mi / 58 km E)
				3MD1		Clinton [Southern MD Hospital Center Heliport], Maryland, US (36 mi / 58 km SE)
				5MD1		Brooklandville [Brooklandville Heliport], Maryland, US (36 mi / 59 km NE)