ICAO		IATA		Other		Location
				5PN4		Hatboro [Mahon Heliport], Pennsylvania, US (18 mi / 30 km SW)
				61PN		Perkasie [A G A Farms Airport], Pennsylvania, US (18 mi / 30 km W)
(KNXX)		(NXX)				Willow Grove [Willow Grove NAS JRB Airport], Pennsylvania, US (19 mi / 30 km SW)
				N87		Robbinsville [Trenton-Robbinsville Airport], New Jersey, US (19 mi / 30 km SE)
				2NJ1		Pattenburg [Jugtown Mountain Airport], New Jersey, US (19 mi / 31 km NW)
				8NJ1		Whitehouse Station [Merck Whitehouse Station Heliport], New Jersey, US (19 mi / 31 km N)
				1PA7		Huntington Valley [Philmont Heliport], Pennsylvania, US (19 mi / 31 km SW)
				3PA2		Hilltown [Philadelphia Gliderport], Pennsylvania, US (19 mi / 31 km W)
				NJ29		Cranbury [South County Heliport], New Jersey, US (20 mi / 31 km E)
				NJ10		South Brunswick [Dayton Heliport], New Jersey, US (20 mi / 31 km E)
				N48		Horsham [Horsham Valley Airways Inc. Heliport], Pennsylvania, US (20 mi / 32 km SW)
				3PA9		Line Lexington [Moyer Airport], Pennsylvania, US (20 mi / 32 km W)
				5NJ0		Somerville [Fiddlers Elbow Country Club Heliport], New Jersey, US (20 mi / 32 km NE)
				90NJ		Bridgewater [Bridgewater Crossing Heliport], New Jersey, US (20 mi / 32 km NE)
				3PS1		Bryn Athyn [Pitcairn Heliport], Pennsylvania, US (20 mi / 32 km SW)
				68NJ		Somerville [N U I Heliport], New Jersey, US (20 mi / 33 km NE)
				GC0072		Philadelphia [Budd Red Lion Factory Airport], Pennsylvania, US (20 mi / 33 km SW)
				4NJ1		Somerville [Somerset Medical Center Heliport], New Jersey, US (20 mi / 33 km NE)
KSMQ				SMQ		Somerville [Somerset Airport], New Jersey, US (21 mi / 33 km NE)
				PS01		Croydon [Sterling Heliport], Pennsylvania, US (21 mi / 33 km S)