ICAO		IATA		Other		Location
				08IL		Cortland [Marshall Farms Airport], Illinois, US (43 mi / 69 km W)
				37IS		Marengo [Hilbert Airport], Illinois, US (43 mi / 69 km NW)
				IL60		Genoa [Idlas Airport], Illinois, US (43 mi / 70 km W)
				05C		Griffith [Griffith-Merrillville Airport], Indiana, US (43 mi / 70 km SE)
				64IL		Marengo [Walpole Airport], Illinois, US (43 mi / 70 km W)
KDKB				DKB		De Kalb [De Kalb Taylor Muni], Illinois, US (44 mi / 71 km W)
				03IL		Monee [Wix Airport], Illinois, US (44 mi / 71 km S)
				0IL6		De Kalb [Northwestern Memorial Healthcare Heliport], Illinois, US (44 mi / 71 km W)
				WI89		Lake Geneva [Lake Geneva Aire Estates Airport], Wisconsin, US (45 mi / 72 km NW)
				WI86		Kansasville [Ori Airport], Wisconsin, US (45 mi / 72 km N)
				0LL6		Sandwich [Gord Airport], Illinois, US (45 mi / 72 km SW)
				WN69		Burlington [Leach Farms Heliport], Wisconsin, US (45 mi / 72 km N)
				8IL0		Harvard [Adkins Airport], Illinois, US (45 mi / 73 km NW)
				3HO		Hobart [Hobart Sky Ranch Airport], Indiana, US (46 mi / 74 km SE)
				C89		Sturtevant [Sylvania Airport], Wisconsin, US (46 mi / 74 km N)
				IL96		Monee [Kaiser Heliport], Illinois, US (46 mi / 74 km S)
				1WI4		Racine [Johnson Wax Heliport], Wisconsin, US (46 mi / 74 km N)
				2II5		Portage [Burns Intl Harbor Heliport], Indiana, US (46 mi / 74 km SE)
				50WI		Mount Pleasant [S C Johnson Waxdale Heliport], Wisconsin, US (46 mi / 74 km N)
				8IL4		Harvard [Mercy Harvard Hospital Heliport], Illinois, US (46 mi / 75 km NW)