ICAO		IATA		Other		Location
				IN13		Cedar Lake [Bianchi Heliport], Indiana, US (29 mi / 47 km SE)
				IS12		Bartlett [Urso Heliport], Illinois, US (29 mi / 47 km NW)
				IN7		Cedar Lake [Cedar Lake SPB], Indiana, US (30 mi / 48 km SE)
KPWK		PWK		PWK		Chicago/Prospect Heights/Wheeling [Chicago Executive Airport (Palwaukee Muni)], Illinois, US (30 mi / 48 km N)
				II57		Merrillville [Nipsco Southlake Complex Heliport], Indiana, US (30 mi / 48 km SE)
				IL03		Hoffman Estates [St. Alexius Medical Center Heliport], Illinois, US (30 mi / 49 km NW)
				3HO		Hobart [Hobart Sky Ranch Airport], Indiana, US (30 mi / 49 km E)
				19LL		Manteno [Neiner Airport], Illinois, US (30 mi / 49 km S)
				76IL		Geneva [Northwestern Medicine Delnor Hospital Heliport], Illinois, US (30 mi / 49 km NW)
				43II		Merrillville [Kirk Heliport], Indiana, US (31 mi / 49 km SE)
				0II8		Lowell [Sutton's Field], Indiana, US (31 mi / 50 km SE)
				58IL		Manteno [Spangler Airport], Illinois, US (31 mi / 50 km S)
				52IS		Minooka [Dresden Power Station Heliport], Illinois, US (31 mi / 50 km SW)
				00IN		Hobart [St. Mary Medical Center Heliport], Indiana, US (31 mi / 51 km SE)
				7IL0		Grant Park [Mussman Airport], Illinois, US (31 mi / 51 km SE)
				IS23		South Elgin [Turner SPB], Illinois, US (33 mi / 53 km NW)
				IN19		Crown Point [Franciscan Health Crown Point Hospital Heliport], Indiana, US (33 mi / 53 km SE)
				2IL8		Elgin [Illinois Department of Transportation Heliport], Illinois, US (33 mi / 53 km NW)
				LL24		Manteno [Sunset Acres Airport], Illinois, US (33 mi / 54 km S)
				62LL		Yorkville [Rush Copley Emergency Center Heliport], Illinois, US (34 mi / 54 km W)