ICAO		IATA		Other		Location
				15WI		Oregon [Peterson Field], Wisconsin, US (45 mi / 73 km N)
				1WI9		Fort Atkinson [Blackhawk Island Airport], Wisconsin, US (45 mi / 73 km N)
				86WI		Elkhorn [Terhark Airport], Wisconsin, US (45 mi / 73 km NE)
		XES		C02		Lake Geneva [Grand Geneva Resort Airport], Wisconsin, US (46 mi / 73 km NE)
				5IS8		McHenry [Northwestern Medicine Hospital McHenry Heliport], Illinois, US (46 mi / 73 km E)
				IL18		Crystal Lake [Crystal Lake Holiday Inn Heliport], Illinois, US (46 mi / 74 km E)
				25LL		Elgin [Advocate Sherman Hospital Heliport], Illinois, US (46 mi / 74 km E)
				2WI4		Springfield [Plows & Props Airport], Wisconsin, US (46 mi / 74 km NE)
KSQI		SQI		SQI		Sterling/Rockfalls [Whiteside County/Jos H Bittorf Field], Illinois, US (46 mi / 74 km SW)
				IS20		Elgin [Presence St. Joseph Hospital - Elgin Heliport], Illinois, US (47 mi / 76 km E)
				0WS7		Rockdale, Wisconsin, US (47 mi / 76 km N)
				65WN		Wiota [Whoopy Hollow Aerodrome], Wisconsin, US (47 mi / 76 km NW)
				WS34		Fort Atkinson [Fort Memorial Hospital Heliport], Wisconsin, US (47 mi / 76 km N)
				8IL7		McHenry [Dutch Creek SPB], Illinois, US (48 mi / 77 km E)
				9WI5		Palmyra [Tamarack Airport], Wisconsin, US (48 mi / 77 km NE)
				2LL9		Somonauk [George Airport], Illinois, US (48 mi / 77 km SE)
				LL38		Sterling [Stutzke Airport], Illinois, US (48 mi / 77 km SW)
				WI92		Lyons [Wag-Aero Airport], Wisconsin, US (48 mi / 78 km NE)
				35WI		East Troy [Barker Strip], Wisconsin, US (49 mi / 78 km NE)
				9WI8		Spring Prairie [Fletcher Airport], Wisconsin, US (49 mi / 79 km NE)