ICAO		IATA		Other		Location
				3LL4		Spring Grove [Pillow Hill Airport], Illinois, US (47 mi / 76 km S)
				C59		Delavan [Lake Lawn Airport], Wisconsin, US (48 mi / 77 km SW)
				8IS8		Lindenhurst [Vista Surgery Center Heliport], Illinois, US (48 mi / 77 km S)
				47WI		Fort Atkinson [Oakbrook Airport], Wisconsin, US (48 mi / 77 km W)
				WS34		Fort Atkinson [Fort Memorial Hospital Heliport], Wisconsin, US (48 mi / 78 km W)
				6WI3		Delavan [Bountiful Acres Airport], Wisconsin, US (49 mi / 79 km SW)
				7LL2		Waukegan [Vista Medical Center-East Heliport], Illinois, US (50 mi / 80 km S)
				IL44		Fox Lake [Arrow Heliport], Illinois, US (50 mi / 80 km S)
				17WI		Lake Mills [Ha-Rail Airport], Wisconsin, US (50 mi / 81 km W)
				1WI9		Fort Atkinson [Blackhawk Island Airport], Wisconsin, US (50 mi / 81 km W)
				64IS		Fox Lake [Precision Chrome Heliport], Illinois, US (51 mi / 82 km S)
				WS49		Fort Atkinson [Christie Aerodrome], Wisconsin, US (51 mi / 82 km W)
				WS73		Walworth [Big Foot Farms Heliport], Wisconsin, US (52 mi / 84 km SW)
				WS70		Beaver Dam [Marshfield Medical Center/Beaver Dam Heliport], Wisconsin, US (53 mi / 85 km NW)
				LL14		Grayslake [NW Lake Forest Hospital-Grayslake Heliport], Illinois, US (53 mi / 85 km S)
				05WI		Darien [Ames Airport (Private)], Wisconsin, US (53 mi / 85 km SW)
				8IL7		McHenry [Dutch Creek SPB], Illinois, US (53 mi / 85 km S)
				10C		Greenwood/Wonder Lake [Galt Field], Illinois, US (54 mi / 86 km SW)
				WI48		Fond Du Lac [St. Agnes Hospital Heliport], Wisconsin, US (54 mi / 87 km NW)
				C81		Grayslake [Campbell Airport], Illinois, US (54 mi / 87 km S)