ICAO		IATA		Other		Location
				IS46		Sterling [CGH Medical Center Heliport], Illinois, US (48 mi / 76 km SW)
				WI94		Madison [Army Guard Heliport], Wisconsin, US (48 mi / 77 km N)
				C82		Compton [Bresson Airport], Illinois, US (48 mi / 77 km S)
				C29		Middleton [Muni/Morey Field], Wisconsin, US (48 mi / 77 km N)
KSFY				SFY		Savanna [Tri-Township Airport], Illinois, US (48 mi / 77 km SW)
				88C		Palmyra [Muni], Wisconsin, US (48 mi / 78 km NE)
				86WI		Elkhorn [Terhark Airport], Wisconsin, US (48 mi / 78 km E)
				89WI		Jonesdale [Tuschen Airport], Wisconsin, US (48 mi / 78 km NW)
				IL42		Woodstock [Centegra Hospital-Woodstock Heliport], Illinois, US (49 mi / 78 km E)
				0IL9		De Kalb [Jack W Watson Airport], Illinois, US (49 mi / 78 km SE)
KMSN		MSN		MSN		Madison [Dane County Regional/Truax Field], Wisconsin, US (49 mi / 78 km N)
				10C		Greenwood/Wonder Lake [Galt Field], Illinois, US (49 mi / 79 km E)
				7LL7		West Brooklyn [Delhotal Airport], Illinois, US (49 mi / 79 km S)
				6IL2		Huntley [Phyllis Field], Illinois, US (49 mi / 79 km E)
				IL07		Amboy [Taylor Airport], Illinois, US (49 mi / 79 km S)
				16LL		Bull Valley [Oak Landing Heliport], Illinois, US (49 mi / 79 km E)
		XES		C02		Lake Geneva [Grand Geneva Resort Airport], Wisconsin, US (49 mi / 80 km E)
				59IL		Maple Park [Ruder Airport], Illinois, US (50 mi / 80 km SE)
				2WI4		Springfield [Plows & Props Airport], Wisconsin, US (50 mi / 80 km E)
				WI89		Lake Geneva [Lake Geneva Aire Estates Airport], Wisconsin, US (50 mi / 80 km E)