ICAO		IATA		Other		Location
				0IL6		De Kalb [Northwestern Memorial Healthcare Heliport], Illinois, US (43 mi / 69 km S)
				96IL		Lena [Gerbick Airport], Illinois, US (43 mi / 70 km W)
				WI24		Mt Horeb [Cardinal Ridge Airport], Wisconsin, US (44 mi / 70 km NW)
				WN69		Burlington [Leach Farms Heliport], Wisconsin, US (44 mi / 70 km E)
				2WI7		Mount Vernon [Hecklers Strip], Wisconsin, US (44 mi / 70 km NW)
				50IL		Antioch [Midland Airport], Illinois, US (44 mi / 71 km E)
KMSN		MSN		MSN		Madison [Dane County Regional/Truax Field], Wisconsin, US (44 mi / 71 km N)
				IL44		Fox Lake [Arrow Heliport], Illinois, US (44 mi / 71 km E)
				IL18		Crystal Lake [Crystal Lake Holiday Inn Heliport], Illinois, US (44 mi / 71 km SE)
				WS74		Watertown [Al's Airway Airport], Wisconsin, US (44 mi / 71 km N)
				7IS5		Gilberts [Koppie Airport], Illinois, US (44 mi / 71 km SE)
				64IS		Fox Lake [Precision Chrome Heliport], Illinois, US (45 mi / 72 km E)
				49C		Camp Lake, Wisconsin, US (45 mi / 72 km E)
				IS80		De Kalb [Uncle Chuck's Airport], Illinois, US (45 mi / 72 km S)
KRPJ				RPJ		Rochelle [Muni/Koritz Field], Illinois, US (45 mi / 72 km S)
				WN46		Oconomowoc [Battle Creek Airport], Wisconsin, US (45 mi / 72 km NE)
KDKB				DKB		De Kalb [De Kalb Taylor Muni], Illinois, US (45 mi / 73 km S)
				31LL		Oregon [Wilco Heliport], Illinois, US (45 mi / 73 km S)
				4WN9		Salem [Digger Dougs Airport], Wisconsin, US (45 mi / 73 km E)
				5WI3		Waterloo [Der Schwarzwald Airport], Wisconsin, US (46 mi / 74 km N)