ICAO		IATA		Other		Location
				43PA		Spring City [Kolb Airport], Pennsylvania, US (30 mi / 48 km NW)
				PS46		Dublin [Graystrip Airport], Pennsylvania, US (30 mi / 48 km N)
				2NJ3		Pennington [Weidel Airport (Private)], New Jersey, US (30 mi / 48 km N)
				23NJ		Pittsgrove [Alliance Airport], New Jersey, US (30 mi / 48 km S)
				4PS6		Doylestown [Stoneleigh Heliport], Pennsylvania, US (30 mi / 48 km N)
				PS72		Lionville [Haig-K Heliport], Pennsylvania, US (30 mi / 49 km W)
				PS29		Solebury [Sugan Pond Heliport], Pennsylvania, US (30 mi / 49 km N)
				34NJ		Bridgeton [Blews Airport], New Jersey, US (31 mi / 49 km S)
				04PN		Exton [Strawbridge & Clothier Exton Heliport], Pennsylvania, US (31 mi / 49 km W)
				N87		Robbinsville [Trenton-Robbinsville Airport], New Jersey, US (31 mi / 50 km NE)
				38PA		Solebury [Aerequus Airport], Pennsylvania, US (31 mi / 50 km N)
				4NJ4		Lawrenceville [PSE & G Trenton Distribution Helistop], New Jersey, US (32 mi / 51 km NE)
				00N		Bridgeton [Bucks Airport], New Jersey, US (33 mi / 53 km S)
				29NJ		Buena [J L Gentile Heliport], New Jersey, US (33 mi / 53 km S)
				NJ74		Salem [Salem Airfield], New Jersey, US (33 mi / 53 km SW)
KCKZ				CKZ		Perkasie [Pennridge Airport], Pennsylvania, US (33 mi / 54 km N)
KPTW		PTW		PTW		Pottstown [Heritage Field], Pennsylvania, US (33 mi / 54 km NW)
				5PA7		Unionville [Indian Sleep Farm Heliport], Pennsylvania, US (34 mi / 54 km W)
				PS03		Perkasie [Elephant Path Airport], Pennsylvania, US (34 mi / 54 km N)
				3NJ2		Princeton [Educational Testing Heliport], New Jersey, US (34 mi / 54 km NE)