ICAO		IATA		Other		Location
				01MD		Annapolis [Annapolis SPB], Maryland, US (30 mi / 48 km E)
				52VA		Manassas [Building 250 Heliport], Virginia, US (30 mi / 48 km SW)
				MD05		Welcome [Finagin Airfield], Maryland, US (30 mi / 48 km S)
				MD36		Glen Burnie [Tar Cove Heliport], Maryland, US (31 mi / 49 km NE)
				MD27		Eagle Harbor [Chalk Point Generating Sta Heliport], Maryland, US (31 mi / 50 km SE)
				8MD0		Woodbine [Suzie Field], Maryland, US (31 mi / 50 km N)
				MD78		Woodbine, Maryland, US (31 mi / 50 km N)
KHEF		MNZ		HEF		Washington [Manassas Regional/Harry P Davis Field], District of Columbia, US (31 mi / 51 km SW)
				0MD6		Mount Airy [Walters Airport], Maryland, US (31 mi / 51 km N)
KJYO				JYO		Leesburg [Leesburg Exec Airport], Virginia, US (32 mi / 51 km W)
				MD71		Baltimore [University of Maryland Shock Trauma Center Heliport], Maryland, US (32 mi / 51 km NE)
				FOMC		Baltimore [Fort McHenry NM (Fort McHenry National Monument)], Maryland, US (32 mi / 52 km NE)
				4MD5		Prince Frederick [Hunting Creek Farm Airport], Maryland, US (32 mi / 52 km SE)
				24MD		Baltimore [Marriott Parking Garage "Rooftop" Heliport], Maryland, US (32 mi / 52 km NE)
				6VG8		Leesburg [Longview Heliport], Virginia, US (32 mi / 52 km NW)
				26MD		Baltimore [Cmti Heliport], Maryland, US (32 mi / 52 km NE)
				MD10		Baltimore [Baltimore Police Department Heliport], Maryland, US (32 mi / 52 km NE)
				MD75		Urbana [Stolcrest Airport], Maryland, US (33 mi / 52 km NW)
				MD97		La Plata [Lanseair Farms Airport], Maryland, US (33 mi / 53 km S)
				4MD		Baltimore [Pier 7 Heliport], Maryland, US (33 mi / 53 km NE)