ICAO		IATA		Other		Location
				WS74		Watertown [Al's Airway Airport], Wisconsin, US (34 mi / 54 km NW)
				5IS8		McHenry [Northwestern Medicine Hospital McHenry Heliport], Illinois, US (35 mi / 56 km S)
				8IL0		Harvard [Adkins Airport], Illinois, US (36 mi / 57 km SW)
				WI62		Cedarburg [SSS Aerodrome], Wisconsin, US (36 mi / 57 km NE)
				WS40		Janesville [Mercy Hospital Heliport], Wisconsin, US (36 mi / 58 km W)
				0WS7		Rockdale, Wisconsin, US (36 mi / 58 km W)
				16LL		Bull Valley [Oak Landing Heliport], Illinois, US (36 mi / 58 km S)
				37IS		Marengo [Hilbert Airport], Illinois, US (36 mi / 58 km S)
				11WI		Fulton [Fraundorfer Heliport], Wisconsin, US (36 mi / 58 km W)
				71WI		Theinsville [Hoffman Prop Inc. Heliport], Wisconsin, US (36 mi / 58 km NE)
				56IL		Caledonia [Lee Creek Airport], Illinois, US (37 mi / 59 km SW)
KHXF				HXF		Hartford [Muni], Wisconsin, US (37 mi / 59 km N)
				8WI4		Port Washington [St. Mary's Hospital Ozaukee Heliport], Wisconsin, US (37 mi / 59 km NE)
				WI08		Mequon [St. Mary's Hospital Ozaukee Heliport], Wisconsin, US (37 mi / 59 km NE)
KUGN		UGN		UGN		Chicago/Waukegan [Waukegan National Airport], Illinois, US (37 mi / 59 km SE)
				C81		Grayslake [Campbell Airport], Illinois, US (37 mi / 60 km S)
				58C		Edgerton [Jana Airport], Wisconsin, US (37 mi / 60 km W)
				WS01		Janesville [Archie's SPB], Wisconsin, US (37 mi / 60 km W)
				58WI		Hustisford [Riegleman Field], Wisconsin, US (37 mi / 60 km N)
				WI85		Janesville [Omniflight Helicopters Heliport], Wisconsin, US (37 mi / 60 km W)