ICAO		IATA		Other		Location
				45IL		Lake Forest [Northwestern Lake Forest Hospital Heliport], Illinois, US (30 mi / 48 km E)
				IS59		Kirkland [Rotstein Airport], Illinois, US (30 mi / 48 km SW)
				WN97		Pleasant Prairie [Froedtert Pleasant Prairie Hospital Heliport], Wisconsin, US (30 mi / 48 km NE)
				06C		Chicago/Schaumburg [Schaumburg Regional], Illinois, US (30 mi / 48 km SE)
				LL95		Roselle [Clarke Heliport], Illinois, US (30 mi / 49 km SE)
				LL84		Rockford [St. Anthony Medical Center Heliport], Illinois, US (30 mi / 49 km W)
				7LL2		Waukegan [Vista Medical Center-East Heliport], Illinois, US (30 mi / 49 km E)
KENW		ENW		ENW		Kenosha [Kenosha Regional], Wisconsin, US (31 mi / 49 km NE)
				0IL6		De Kalb [Northwestern Memorial Healthcare Heliport], Illinois, US (31 mi / 50 km SW)
				57C		East Troy [Muni], Wisconsin, US (31 mi / 50 km N)
				59IL		Maple Park [Ruder Airport], Illinois, US (31 mi / 51 km S)
				WI69		East Troy [Air Troy Estates - Restricted Airport], Wisconsin, US (31 mi / 51 km N)
KPWK		PWK		PWK		Chicago/Prospect Heights/Wheeling [Chicago Executive Airport (Palwaukee Muni)], Illinois, US (31 mi / 51 km SE)
				WI84		Janesville [Johnstown Center Airport], Wisconsin, US (32 mi / 51 km NW)
				23IL		Elk Grove Village [Amita Health-Alexian Brothers Medical Center Heliport], Illinois, US (32 mi / 51 km SE)
KDPA		DPA		DPA		Chicago/West Chicago [Dupage Airport], Illinois, US (32 mi / 51 km S)
		(RMC)				Machesney Park (Rockford) [Machesney], Illinois, US (32 mi / 52 km W)
KDKB				DKB		De Kalb [De Kalb Taylor Muni], Illinois, US (32 mi / 52 km SW)
				76IL		Geneva [Northwestern Medicine Delnor Hospital Heliport], Illinois, US (32 mi / 52 km S)
				9IL5		Highland Park [City of Highland Park Heliport], Illinois, US (32 mi / 52 km E)