ICAO		IATA		Other		Location
				1IS4		Lanark [Swan Valley Farm Airport], Illinois, US (43 mi / 69 km W)
				IL44		Fox Lake [Arrow Heliport], Illinois, US (43 mi / 70 km E)
				63WI		Monroe [Flying H Airport], Wisconsin, US (43 mi / 70 km NW)
				64IS		Fox Lake [Precision Chrome Heliport], Illinois, US (43 mi / 70 km E)
				2IL8		Elgin [Illinois Department of Transportation Heliport], Illinois, US (44 mi / 70 km SE)
				0IS9		West Brooklyn [Bernardin Heliport], Illinois, US (44 mi / 70 km S)
				IL07		Amboy [Taylor Airport], Illinois, US (44 mi / 70 km S)
				WI40		Oregon [Spiegel Field], Wisconsin, US (44 mi / 71 km N)
				IS23		South Elgin [Turner SPB], Illinois, US (44 mi / 71 km SE)
				88C		Palmyra [Muni], Wisconsin, US (44 mi / 71 km NE)
				0WS7		Rockdale, Wisconsin, US (44 mi / 72 km N)
KBUU				BUU		Burlington [Muni], Wisconsin, US (45 mi / 72 km NE)
				2WI1		Stoughton [Uff-Da Airport], Wisconsin, US (45 mi / 72 km N)
				IL08		Barrington [Advocate Good Shepherd Hospital Heliport], Illinois, US (45 mi / 72 km E)
				0WI9		Oregon [McManus Hoonch-Na-Shee-Kaw Airport], Wisconsin, US (45 mi / 72 km N)
				WI76		Fort Atkinson [Maggies Farm LLC Airport], Wisconsin, US (45 mi / 72 km N)
				WN68		Burlington [Aurora Memorial Hospital of Burlington Heliport], Wisconsin, US (45 mi / 72 km NE)
				50IL		Antioch [Midland Airport], Illinois, US (45 mi / 72 km E)
				IL88		Compton [Earl Barnickel Airport], Illinois, US (45 mi / 73 km S)
				61C		Fort Atkinson [Muni], Wisconsin, US (45 mi / 73 km N)