ICAO		IATA		Other		Location
				05C		Griffith [Griffith-Merrillville Airport], Indiana, US (12 mi / 20 km E)
				7IL0		Grant Park [Mussman Airport], Illinois, US (13 mi / 21 km S)
				IN90		Lowell [Wietbrock Airport], Indiana, US (15 mi / 25 km SE)
				II57		Merrillville [Nipsco Southlake Complex Heliport], Indiana, US (15 mi / 25 km E)
KGYY		GYY		GYY		Gary [Gary/Chicago Intl], Indiana, US (15 mi / 25 km NE)
				43II		Merrillville [Kirk Heliport], Indiana, US (16 mi / 25 km E)
				IN19		Crown Point [Franciscan Health Crown Point Hospital Heliport], Indiana, US (16 mi / 26 km E)
				IS81		Alsip [Alsip Fire Department Heliport], Illinois, US (17 mi / 27 km NW)
				C97		Lowell, Indiana, US (17 mi / 27 km S)
				PULL		Chicago [Pullman NM (Pullman National Monument)], Illinois, US (17 mi / 27 km N)
				IN79		Gary [Methodist Hospital Northlake Heliport], Indiana, US (17 mi / 27 km NE)
				IN78		Gary [Police Heliport], Indiana, US (17 mi / 28 km NE)
				20IL		Palos Heights [Palos Community Hospital Heliport], Illinois, US (18 mi / 29 km NW)
				00IN		Hobart [St. Mary Medical Center Heliport], Indiana, US (19 mi / 31 km E)
				LL35		Chicago [Chicago Fire Department Air Sea Rescue Heliport], Illinois, US (19 mi / 31 km N)
				LL24		Manteno [Sunset Acres Airport], Illinois, US (19 mi / 31 km SW)
				IL77		Chicago (Oak Lawn) [Advocate Christ Medical Center Heliport], Illinois, US (19 mi / 31 km N)
				58IL		Manteno [Spangler Airport], Illinois, US (20 mi / 31 km SW)
				3HO		Hobart [Hobart Sky Ranch Airport], Indiana, US (20 mi / 32 km E)
				9IL9		New Lenox [Silver Cross Hospital Heliport], Illinois, US (20 mi / 32 km W)