ICAO		IATA		Other		Location
				WI84		Janesville [Johnstown Center Airport], Wisconsin, US (52 mi / 83 km SW)
				WS70		Beaver Dam [Marshfield Medical Center/Beaver Dam Heliport], Wisconsin, US (52 mi / 84 km NW)
				2IL4		North Chicago [Abbvie Heliport], Illinois, US (53 mi / 85 km S)
				3WI2		Waterloo [Tesmer Airport], Wisconsin, US (53 mi / 85 km W)
				5IS8		McHenry [Northwestern Medicine Hospital McHenry Heliport], Illinois, US (53 mi / 86 km S)
				02IS		Libertyville [Advocate Condell Medical Center Heliport], Illinois, US (54 mi / 86 km S)
				LL09		Mundelein [Air Estates Inc. Airport], Illinois, US (54 mi / 86 km S)
				8IL4		Harvard [Mercy Harvard Hospital Heliport], Illinois, US (54 mi / 88 km SW)
				WS55		Sharon [Barten Airport], Wisconsin, US (55 mi / 88 km SW)
				0WS7		Rockdale, Wisconsin, US (55 mi / 88 km W)
				5WI3		Waterloo [Der Schwarzwald Airport], Wisconsin, US (55 mi / 89 km W)
				45IL		Lake Forest [Northwestern Lake Forest Hospital Heliport], Illinois, US (55 mi / 89 km S)
				WI48		Fond Du Lac [St. Agnes Hospital Heliport], Wisconsin, US (56 mi / 90 km NW)
				16LL		Bull Valley [Oak Landing Heliport], Illinois, US (56 mi / 90 km SW)
				0C0		Harvard [Dacy Airport], Illinois, US (57 mi / 91 km SW)
KFLD		FLD		FLD		Fond Du Lac [Fond Du Lac County Airport], Wisconsin, US (57 mi / 91 km NW)
				3WI6		Clinton [Melin Farms Airport], Wisconsin, US (57 mi / 91 km SW)
				WS75		Waupun [Waupun Memorial Hospital Heliport], Wisconsin, US (57 mi / 91 km NW)
				09LL		Capron [Pine Hill Airport], Illinois, US (57 mi / 92 km SW)
				WI07		Waupun, Wisconsin, US (57 mi / 92 km NW)