ICAO		IATA		Other		Location
KHEF		MNZ		HEF		Washington [Manassas Regional/Harry P Davis Field], District of Columbia, US (36 mi / 57 km SW)
				3VA5		Leesburg [Goose Hunt Farm Airport], Virginia, US (36 mi / 58 km W)
				MD14		Benedict [Robinson Airport], Maryland, US (36 mi / 58 km SE)
				0MD9		Prince Frederick [Calvert Health Medical Center Heliport], Maryland, US (36 mi / 58 km SE)
KFDK		FDK		FDK		Frederick [Muni], Maryland, US (36 mi / 58 km NW)
KMTN		MTN		MTN		Baltimore [Martin State Airport], Maryland, US (37 mi / 59 km NE)
				3MD7		Baltimore [Green Terrace Heliport], Maryland, US (37 mi / 59 km NE)
				8MD5		Libertytown [Flying H Farm Airport], Maryland, US (37 mi / 60 km N)
				MD97		La Plata [Lanseair Farms Airport], Maryland, US (38 mi / 60 km S)
				7MD3		Frederick [Frederick Health Hospital Heliport], Maryland, US (38 mi / 61 km NW)
				MD76		Westminster [Carroll Hospital Center Heliport], Maryland, US (39 mi / 62 km N)
				45VA		Haymarket [Uva Health/Haymarket Medical Center Heliport], Virginia, US (39 mi / 62 km W)
				MD32		Fort Detrick (Frederick) [Fort Detrick Helipad], Maryland, US (39 mi / 63 km NW)
KNYG		NYG		NYG		Quantico [Quantico McAf Airport (Turner Field)], Virginia, US (39 mi / 63 km SW)
				7MD9		Tilghman [Tilghman Whipp Airport], Maryland, US (39 mi / 63 km SE)
				62MD		Prince Frederick [Sandy Point Airport], Maryland, US (39 mi / 63 km SE)
				MD64		St. Michaels [Asplundh Airport], Maryland, US (40 mi / 64 km E)
				2VG6		Manassas [Rychlk Heliport], Virginia, US (40 mi / 64 km SW)
				MD56		New Windsor [Three J Airport], Maryland, US (40 mi / 65 km N)
				73MD		Rock Hall [Swan Creek Airport], Maryland, US (40 mi / 65 km E)