ICAO		IATA		Other		Location
KAPG		APG		APG		Aberdeen Proving Grounds (Aberdeen) [Phillips AAF Airport], Maryland, US (27 mi / 44 km NE)
				MD76		Westminster [Carroll Hospital Center Heliport], Maryland, US (27 mi / 44 km NW)
				1MD6		New Carrollton [Metroplex Heliport], Maryland, US (27 mi / 44 km SW)
				MD88		Pylesville [Links Airport], Maryland, US (28 mi / 46 km N)
				W50		Laytonsville [Davis Airport], Maryland, US (29 mi / 46 km W)
				MD79		Worton [Nuodex Inc. Heliport], Maryland, US (29 mi / 46 km E)
				MD69		Still Pond [Harris Airport], Maryland, US (29 mi / 47 km E)
				3W3		Stevensville [Kentmorr Airpark], Maryland, US (29 mi / 47 km SE)
				6MD9		Takoma Park [Washington Adventist Hospital Heliport], Maryland, US (29 mi / 47 km SW)
				91MD		Largo [UM Capital Region Medical Center Heliport], Maryland, US (29 mi / 47 km SW)
				0W3		Churchville [Harford County Airport], Maryland, US (29 mi / 47 km NE)
				28MD		Landover [Fedex Field Heliport], Maryland, US (29 mi / 47 km SW)
				1MD4		Cheverly [Prince George's Hospital Center Heliport], Maryland, US (30 mi / 48 km SW)
				MD11		Chestertown [Wright Field], Maryland, US (30 mi / 48 km E)
				4MD6		Dublin [Moxley's Airport], Maryland, US (30 mi / 48 km NE)
KDMW				DMW		Westminster [Carroll County Regional/Jack B Poage Field], Maryland, US (30 mi / 49 km NW)
				MD51		Chestertown [Chester River Hospital Heliport], Maryland, US (30 mi / 49 km E)
KGAI		GAI		GAI		Gaithersburg [Montgomery County Airpark], Maryland, US (30 mi / 49 km W)
				MD21		Centreville [Ashland Landing Farm Airport], Maryland, US (31 mi / 49 km SE)
				07MD		Westminster [Baugher's Orchard Airport], Maryland, US (32 mi / 51 km NW)