ICAO		IATA		Other		Location
				3WN3		Kenosha [Kenosha County Heliport], Wisconsin, US (36 mi / 58 km SE)
				LL81		Rockford [Latham Park Aero Estates Airport], Illinois, US (36 mi / 58 km SW)
				41IL		Antioch [Great Lakes SPB], Illinois, US (36 mi / 59 km SE)
				WS21		Menomonee Falls [Community Memorial Hospital Heliport], Wisconsin, US (37 mi / 59 km NE)
				WI97		Marshall [Mathaire Field], Wisconsin, US (37 mi / 59 km NW)
				2WI3		Milwaukee [Milwaukee Regional Medical Center Heliport], Wisconsin, US (37 mi / 59 km NE)
				LL79		Rockford [Severson Airport], Illinois, US (37 mi / 59 km SW)
				58WI		Hustisford [Riegleman Field], Wisconsin, US (37 mi / 60 km N)
				82IL		Rockford [Mercyhealth System-Riverside Heliport], Illinois, US (37 mi / 60 km SW)
		(RMC)				Machesney Park (Rockford) [Machesney], Illinois, US (37 mi / 60 km SW)
				C89		Sturtevant [Sylvania Airport], Wisconsin, US (37 mi / 60 km E)
				7WI5		Brooklyn [Syvrud Airport], Wisconsin, US (37 mi / 60 km W)
				WI95		Bristol [Binzel Airport], Wisconsin, US (37 mi / 60 km SE)
				8IL7		McHenry [Dutch Creek SPB], Illinois, US (37 mi / 60 km SE)
				80IL		Shirland [Loeppert Cpl Aero Airport], Illinois, US (37 mi / 60 km SW)
				3WI7		Mount Pleasant [Advocate Aurora Mount Pleasant Hospital Heliport], Wisconsin, US (37 mi / 60 km E)
				IL44		Fox Lake [Arrow Heliport], Illinois, US (37 mi / 60 km SE)
				66IL		Marengo [Aerogrange Airport], Illinois, US (38 mi / 61 km S)
				0LL0		Belvidere [Kaufield Airport], Illinois, US (38 mi / 61 km S)
				WI77		Germantown [Willow Creek Airport], Wisconsin, US (38 mi / 61 km NE)