ICAO		IATA		Other		Location
				1C5		Bolingbrook [Bolingbrook's Clow Intl], Illinois, US (37 mi / 60 km S)
KMDW		MDW		MDW		Chicago [Chicago Midway Intl], Illinois, US (37 mi / 60 km SE)
				IS74		Montgomery [Caterpillar Aurora Heliport], Illinois, US (37 mi / 60 km S)
				16IL		Kirkland [Harold Bunger Airport], Illinois, US (37 mi / 60 km W)
				IL38		Big Rock [J Maddock Airport], Illinois, US (38 mi / 60 km SW)
				1WI4		Racine [Johnson Wax Heliport], Wisconsin, US (38 mi / 61 km NE)
(KCGX)		(CGX)				Chicago [Merrill C. Meigs Airport], Illinois, US (38 mi / 61 km SE)
				45IS		Bolingbrook [Adventist Bolingbrook Hospital Heliport], Illinois, US (38 mi / 61 km S)
				WS53		Racine [St. Mary's Medical Center Heliport], Wisconsin, US (38 mi / 62 km NE)
				35WI		East Troy [Barker Strip], Wisconsin, US (38 mi / 62 km N)
				WI03		Union Grove [Horner Farms Airport], Wisconsin, US (39 mi / 63 km N)
				IS80		De Kalb [Uncle Chuck's Airport], Illinois, US (39 mi / 63 km SW)
				6IS2		Lemont [Lemont Fire Department Heliport], Illinois, US (39 mi / 63 km S)
				0WN5		North Cape [Potts Field Ultralight Flightpark], Wisconsin, US (40 mi / 64 km N)
				62C		Franksville [Cindy Guntly Memorial Airport], Wisconsin, US (40 mi / 65 km N)
				IL69		Chicago [First Area Police HDQTRS Heliport], Illinois, US (40 mi / 65 km SE)
				IS59		Kirkland [Rotstein Airport], Illinois, US (40 mi / 65 km W)
				56IL		Caledonia [Lee Creek Airport], Illinois, US (40 mi / 65 km NW)
				WI69		East Troy [Air Troy Estates - Restricted Airport], Wisconsin, US (40 mi / 65 km N)
KRAC		RAC		RAC		Racine [Batten Intl], Wisconsin, US (40 mi / 65 km NE)