ICAO		IATA		Other		Location
				7V3		Walworth [Big Foot Airfield], Wisconsin, US (46 mi / 75 km W)
				WN75		Hartford [Erin Aero Airport], Wisconsin, US (47 mi / 75 km NW)
				6IS5		Des Plaines [Presence Holy Family Medical Center Heliport], Illinois, US (47 mi / 75 km S)
				7IL4		Arlington Heights [Northwest Community Hospital Heliport], Illinois, US (47 mi / 75 km S)
				8IL4		Harvard [Mercy Harvard Hospital Heliport], Illinois, US (47 mi / 75 km SW)
				6WI3		Delavan [Bountiful Acres Airport], Wisconsin, US (47 mi / 76 km W)
				71IL		Park Ridge [Advocate Lutheran General Hospital Heliport], Illinois, US (48 mi / 77 km S)
				76IS		Rolling Meadows [Steel Supply Heliport], Illinois, US (48 mi / 77 km S)
				6IL2		Huntley [Phyllis Field], Illinois, US (48 mi / 77 km SW)
				WI75		West Bend [Froedtert West Bend Hospital Heliport], Wisconsin, US (48 mi / 77 km NW)
				3WI5		Whitewater [Clover Valley Airport], Wisconsin, US (48 mi / 78 km W)
				2IL5		Morton Grove [Crown Point Corporation Heliport], Illinois, US (48 mi / 78 km S)
				0C0		Harvard [Dacy Airport], Illinois, US (49 mi / 78 km SW)
				4H1		Chicago/Schaumburg [Schaumburg Muni Helistop], Illinois, US (49 mi / 79 km S)
				IL74		Huntley [Centegra Hospital-Huntley Heliport], Illinois, US (49 mi / 79 km SW)
				05WI		Darien [Ames Airport (Private)], Wisconsin, US (49 mi / 79 km W)
				IL03		Hoffman Estates [St. Alexius Medical Center Heliport], Illinois, US (50 mi / 80 km S)
				37IS		Marengo [Hilbert Airport], Illinois, US (50 mi / 81 km SW)
				5Y3		Whitewater [Gutzmer's Twin Oaks Airport], Wisconsin, US (50 mi / 81 km W)
				8IL0		Harvard [Adkins Airport], Illinois, US (51 mi / 82 km SW)