ICAO		IATA		Other		Location
				1C5		Bolingbrook [Bolingbrook's Clow Intl], Illinois, US (29 mi / 46 km S)
				IL77		Chicago (Oak Lawn) [Advocate Christ Medical Center Heliport], Illinois, US (29 mi / 46 km SE)
				5LL7		Union [Funny Farm Airport], Illinois, US (29 mi / 46 km W)
				50IL		Antioch [Midland Airport], Illinois, US (29 mi / 47 km N)
				45IS		Bolingbrook [Adventist Bolingbrook Hospital Heliport], Illinois, US (29 mi / 47 km S)
				6IS2		Lemont [Lemont Fire Department Heliport], Illinois, US (29 mi / 47 km S)
				10C		Greenwood/Wonder Lake [Galt Field], Illinois, US (29 mi / 47 km NW)
				7IS8		Aurora [Rush-Copley Medical Center Heliport], Illinois, US (29 mi / 47 km SW)
				WI58		Bristol [Winfield Airport], Wisconsin, US (30 mi / 48 km N)
				04WI		Bristol [Dutch Gap Airstrip], Wisconsin, US (30 mi / 48 km N)
				68IS		Hampshire [Casa De Aero Park Airport], Illinois, US (30 mi / 48 km W)
				WN63		Bristol, Wisconsin, US (31 mi / 49 km N)
				20IL		Palos Heights [Palos Community Hospital Heliport], Illinois, US (31 mi / 49 km S)
				49C		Camp Lake, Wisconsin, US (31 mi / 50 km N)
				IS81		Alsip [Alsip Fire Department Heliport], Illinois, US (31 mi / 50 km S)
				63IL		Marengo [Emerick Airport], Illinois, US (32 mi / 52 km W)
				WN97		Pleasant Prairie [Froedtert Pleasant Prairie Hospital Heliport], Wisconsin, US (32 mi / 52 km N)
				IS74		Montgomery [Caterpillar Aurora Heliport], Illinois, US (33 mi / 52 km SW)
				66IL		Marengo [Aerogrange Airport], Illinois, US (33 mi / 52 km W)
				62IL		Marengo [Ferris Field], Illinois, US (33 mi / 53 km W)