ICAO		IATA		Other		Location
				0IL9		De Kalb [Jack W Watson Airport], Illinois, US (45 mi / 72 km SE)
				63IL		Marengo [Emerick Airport], Illinois, US (45 mi / 72 km E)
				30IS		Genoa [Aero Lake Estates Airport], Illinois, US (45 mi / 72 km E)
KDKB				DKB		De Kalb [De Kalb Taylor Muni], Illinois, US (45 mi / 73 km SE)
				WI24		Mt Horeb [Cardinal Ridge Airport], Wisconsin, US (45 mi / 73 km N)
				WI40		Oregon [Spiegel Field], Wisconsin, US (45 mi / 73 km N)
				8IL4		Harvard [Mercy Harvard Hospital Heliport], Illinois, US (45 mi / 73 km E)
				7V3		Walworth [Big Foot Airfield], Wisconsin, US (45 mi / 73 km NE)
				05WI		Darien [Ames Airport (Private)], Wisconsin, US (45 mi / 73 km NE)
				3IS4		Hanover [Merkle Airport], Illinois, US (45 mi / 73 km W)
				4LL8		Sycamore [Colonial Acres Airport], Illinois, US (46 mi / 73 km SE)
				66IL		Marengo [Aerogrange Airport], Illinois, US (46 mi / 73 km E)
				15WI		Oregon [Peterson Field], Wisconsin, US (46 mi / 74 km N)
				WI99		Edgerton [Tru Field], Wisconsin, US (46 mi / 74 km N)
				58C		Edgerton [Jana Airport], Wisconsin, US (46 mi / 75 km NE)
				IL83		Walnut [Fisch Airport], Illinois, US (46 mi / 75 km S)
				0WI9		Oregon [McManus Hoonch-Na-Shee-Kaw Airport], Wisconsin, US (46 mi / 75 km N)
				4IL5		Morrison [Frank's Flying Service Airport], Illinois, US (47 mi / 75 km SW)
				8IL2		Harvard [Kirkpatrick Airport], Illinois, US (47 mi / 75 km E)
				7IA5		Clinton [Mercy Medical Center - Clinton Heliport], Iowa, US (47 mi / 75 km SW)