ICAO		IATA		Other		Location
				FOMC		Baltimore [Fort McHenry NM (Fort McHenry National Monument)], Maryland, US (51 mi / 82 km SE)
				26MD		Baltimore [Cmti Heliport], Maryland, US (52 mi / 83 km SE)
				1MD5		Laytonsville [Federal Support Center Heliport], Maryland, US (52 mi / 83 km S)
KMTN		MTN		MTN		Baltimore [Martin State Airport], Maryland, US (52 mi / 84 km SE)
				0PA0		Richfield [Richfield Station Heliport], Pennsylvania, US (52 mi / 84 km N)
				67PN		Sacramento [Masser Field], Pennsylvania, US (52 mi / 84 km NE)
				2MD3		Boyds [Fly Away Farm Airport], Maryland, US (53 mi / 85 km S)
KEDG		EDG		EDG		Edgewood Arsenal [Weide Army Heliport (Aberdeen Proving Ground)], Maryland, US (53 mi / 85 km SE)
				1PA9		Klingerstown [Schadels Airport], Pennsylvania, US (53 mi / 85 km N)
				2MD7		Linthicum Heights [Maritime Institute Heliport], Maryland, US (53 mi / 85 km S)
				8MD1		Aberdeen [Rite Aid Distribution Center Heliport], Maryland, US (53 mi / 85 km SE)
				8N1		Bethel [Grimes Airport], Pennsylvania, US (54 mi / 86 km NE)
				28PA		Wernersville [Boyer Airport], Pennsylvania, US (54 mi / 86 km NE)
				PN73		Orbisona/Rockhill [Beers Farm Airport], Pennsylvania, US (54 mi / 86 km W)
KGAI		GAI		GAI		Gaithersburg [Montgomery County Airpark], Maryland, US (54 mi / 87 km S)
				18MD		Olney [Medstar Montgomery Medical Center Heliport], Maryland, US (54 mi / 87 km S)
KAPG		APG		APG		Aberdeen Proving Grounds (Aberdeen) [Phillips AAF Airport], Maryland, US (54 mi / 87 km SE)
(KMUU)						Shirleysburg [Huntingdon County Airport], Pennsylvania, US (54 mi / 87 km NW)
				1PA4		Lewistown [Wagner Airport], Pennsylvania, US (54 mi / 87 km NW)
				MD08		Havre De Grace [Gregory May Heliport], Maryland, US (54 mi / 88 km SE)