ICAO		IATA		Other		Location
				8IL5		Pecatonica [O'Connor Field], Illinois, US (27 mi / 44 km W)
				9IL1		Durand [Durand Ambulance Service Heliport], Illinois, US (28 mi / 45 km NW)
				0IL9		De Kalb [Jack W Watson Airport], Illinois, US (28 mi / 45 km S)
KRPJ				RPJ		Rochelle [Muni/Koritz Field], Illinois, US (28 mi / 45 km SW)
				05WI		Darien [Ames Airport (Private)], Wisconsin, US (28 mi / 45 km N)
				07WI		Lake Geneva [Mercyhealth Walworth Heliport], Wisconsin, US (28 mi / 46 km NE)
				IL18		Crystal Lake [Crystal Lake Holiday Inn Heliport], Illinois, US (29 mi / 46 km E)
				08IL		Cortland [Marshall Farms Airport], Illinois, US (29 mi / 46 km S)
				C59		Delavan [Lake Lawn Airport], Wisconsin, US (29 mi / 47 km NE)
				5IS8		McHenry [Northwestern Medicine Hospital McHenry Heliport], Illinois, US (29 mi / 47 km E)
				25LL		Elgin [Advocate Sherman Hospital Heliport], Illinois, US (29 mi / 47 km SE)
				2WS4		Janesville [SSM Health St. Mary's Hospital-Jansville Heliport], Wisconsin, US (29 mi / 47 km N)
				WI84		Janesville [Johnstown Center Airport], Wisconsin, US (30 mi / 48 km N)
				4LL1		Steward [Staton Airport], Illinois, US (30 mi / 49 km SW)
				IS20		Elgin [Presence St. Joseph Hospital - Elgin Heliport], Illinois, US (31 mi / 49 km SE)
				WI11		Orfordville [Mumm Field], Wisconsin, US (31 mi / 50 km NW)
				47IS		Durand [Flying Z Ranch Airport], Illinois, US (31 mi / 50 km NW)
				6WI3		Delavan [Bountiful Acres Airport], Wisconsin, US (31 mi / 51 km N)
				WS40		Janesville [Mercy Hospital Heliport], Wisconsin, US (31 mi / 51 km N)
				IL85		Kaneville [Oakfield Airport], Illinois, US (32 mi / 51 km SE)