ICAO		IATA		Other		Location
				IN16		Crown Point [Crown Point Airfield], Indiana, US (47 mi / 76 km SE)
				43II		Merrillville [Kirk Heliport], Indiana, US (47 mi / 76 km SE)
				0IL6		De Kalb [Northwestern Memorial Healthcare Heliport], Illinois, US (47 mi / 76 km W)
				WI89		Lake Geneva [Lake Geneva Aire Estates Airport], Wisconsin, US (47 mi / 76 km NW)
				C89		Sturtevant [Sylvania Airport], Wisconsin, US (47 mi / 76 km N)
				50WI		Mount Pleasant [S C Johnson Waxdale Heliport], Wisconsin, US (47 mi / 76 km N)
				3IN0		Portage [Flying M Airport], Indiana, US (48 mi / 77 km SE)
				8IL0		Harvard [Adkins Airport], Illinois, US (48 mi / 77 km NW)
				IN13		Cedar Lake [Bianchi Heliport], Indiana, US (48 mi / 78 km SE)
				WS53		Racine [St. Mary's Medical Center Heliport], Wisconsin, US (49 mi / 78 km N)
				IN70		Chesterton [Bodin Airport], Indiana, US (49 mi / 78 km SE)
				3WI7		Mount Pleasant [Advocate Aurora Mount Pleasant Hospital Heliport], Wisconsin, US (49 mi / 78 km N)
				0LL7		Sandwich [Valley West Hospital Heliport], Illinois, US (49 mi / 79 km SW)
				IN7		Cedar Lake [Cedar Lake SPB], Indiana, US (49 mi / 79 km SE)
				8IL4		Harvard [Mercy Harvard Hospital Heliport], Illinois, US (49 mi / 79 km NW)
				0C2		Hinckley, Illinois, US (49 mi / 79 km W)
				0C0		Harvard [Dacy Airport], Illinois, US (49 mi / 80 km NW)
				0LL0		Belvidere [Kaufield Airport], Illinois, US (50 mi / 80 km W)
				52IS		Minooka [Dresden Power Station Heliport], Illinois, US (50 mi / 81 km SW)
		XES		C02		Lake Geneva [Grand Geneva Resort Airport], Wisconsin, US (50 mi / 81 km NW)