ICAO		IATA		Other		Location
(KNXX)		(NXX)				Willow Grove [Willow Grove NAS JRB Airport], Pennsylvania, US (15 mi / 24 km SW)
				PS03		Perkasie [Elephant Path Airport], Pennsylvania, US (15 mi / 24 km W)
				4NJ4		Lawrenceville [PSE & G Trenton Distribution Helistop], New Jersey, US (15 mi / 25 km E)
				61PN		Perkasie [A G A Farms Airport], Pennsylvania, US (15 mi / 25 km W)
				5PN4		Hatboro [Mahon Heliport], Pennsylvania, US (15 mi / 25 km SW)
				3PA2		Hilltown [Philadelphia Gliderport], Pennsylvania, US (16 mi / 25 km W)
		PCT		39N		Princeton/Rocky Hill [Princeton Airport], New Jersey, US (16 mi / 25 km E)
				N48		Horsham [Horsham Valley Airways Inc. Heliport], Pennsylvania, US (16 mi / 26 km SW)
				3PA9		Line Lexington [Moyer Airport], Pennsylvania, US (16 mi / 26 km W)
				N85		Pittstown [Alexandria Airport], New Jersey, US (16 mi / 26 km N)
				8NJ2		Princeton [Carnegie Center Heliport], New Jersey, US (16 mi / 26 km E)
				47PN		Bristol [Bristol Usar Center Heliport], Pennsylvania, US (17 mi / 27 km S)
				1PA7		Huntington Valley [Philmont Heliport], Pennsylvania, US (17 mi / 27 km S)
				12JY		Pittstown [Clinton Elks Lodge Balloonport], New Jersey, US (17 mi / 27 km N)
				5NJ2		Stanton [Herr Mountain Airport], New Jersey, US (17 mi / 28 km N)
				3NJ4		Princeton [Sarnoff Princeton Heliport], New Jersey, US (17 mi / 28 km E)
				45NJ		Princeton [Princeton Medical Center Heliport], New Jersey, US (17 mi / 28 km E)
				3PS1		Bryn Athyn [Pitcairn Heliport], Pennsylvania, US (17 mi / 28 km SW)
				PS54		Perkasie [Gunden Airport], Pennsylvania, US (17 mi / 28 km W)
				35JY		Belle Mead [Cyber Density Balloon Spot Balloonport], New Jersey, US (18 mi / 28 km E)