ICAO		IATA		Other		Location
				C56		Monee [Bult Field], Illinois, US (46 mi / 74 km S)
				57IL		Peotone [South Suburban Heliport], Illinois, US (47 mi / 75 km S)
				50WI		Mount Pleasant [S C Johnson Waxdale Heliport], Wisconsin, US (47 mi / 75 km N)
				87IL		Minooka [Bushby Airport], Illinois, US (47 mi / 76 km SW)
				IL85		Kaneville [Oakfield Airport], Illinois, US (47 mi / 76 km W)
				63IL		Marengo [Emerick Airport], Illinois, US (47 mi / 76 km W)
				IL38		Big Rock [J Maddock Airport], Illinois, US (47 mi / 76 km SW)
				C89		Sturtevant [Sylvania Airport], Wisconsin, US (47 mi / 76 km N)
				66IL		Marengo [Aerogrange Airport], Illinois, US (48 mi / 77 km W)
				IN13		Cedar Lake [Bianchi Heliport], Indiana, US (48 mi / 77 km S)
				46II		Valparaiso [Northwest Health - Porter Heliport], Indiana, US (48 mi / 77 km SE)
				62IL		Marengo [Ferris Field], Illinois, US (48 mi / 77 km W)
				WS53		Racine [St. Mary's Medical Center Heliport], Wisconsin, US (48 mi / 77 km N)
				44IL		Minooka [Wilson Heliport], Illinois, US (48 mi / 77 km SW)
				30IS		Genoa [Aero Lake Estates Airport], Illinois, US (48 mi / 77 km W)
				WI86		Kansasville [Ori Airport], Wisconsin, US (48 mi / 77 km NW)
				62LL		Yorkville [Rush Copley Emergency Center Heliport], Illinois, US (48 mi / 77 km SW)
				IN7		Cedar Lake [Cedar Lake SPB], Indiana, US (48 mi / 78 km S)
				WN69		Burlington [Leach Farms Heliport], Wisconsin, US (49 mi / 78 km NW)
				3WI7		Mount Pleasant [Advocate Aurora Mount Pleasant Hospital Heliport], Wisconsin, US (49 mi / 78 km N)