ICAO		IATA		Other		Location
				LL53		Plato Center [Olson Airport], Illinois, US (36 mi / 58 km W)
				43II		Merrillville [Kirk Heliport], Indiana, US (36 mi / 58 km SE)
				C81		Grayslake [Campbell Airport], Illinois, US (36 mi / 58 km NW)
				IL18		Crystal Lake [Crystal Lake Holiday Inn Heliport], Illinois, US (36 mi / 59 km NW)
				IN13		Cedar Lake [Bianchi Heliport], Indiana, US (37 mi / 59 km SE)
				IL59		Channahon [Chicago Glider Club Gliderport], Illinois, US (37 mi / 59 km SW)
				7LL2		Waukegan [Vista Medical Center-East Heliport], Illinois, US (37 mi / 60 km N)
				3CK		Chicago/Lake In The Hills [Lake In The Hills Airport], Illinois, US (37 mi / 60 km NW)
				IN7		Cedar Lake [Cedar Lake SPB], Indiana, US (37 mi / 60 km SE)
				62LL		Yorkville [Rush Copley Emergency Center Heliport], Illinois, US (37 mi / 60 km W)
				8IN5		Portage [Portage Community Hospital Heliport], Indiana, US (37 mi / 60 km SE)
				82IS		Huntley [Landings Condominium Airport], Illinois, US (38 mi / 61 km NW)
				IL38		Big Rock [J Maddock Airport], Illinois, US (39 mi / 62 km W)
				IL74		Huntley [Centegra Hospital-Huntley Heliport], Illinois, US (39 mi / 63 km NW)
				0II8		Lowell [Sutton's Field], Indiana, US (39 mi / 63 km SE)
				3IN0		Portage [Flying M Airport], Indiana, US (40 mi / 64 km SE)
				IN19		Crown Point [Franciscan Health Crown Point Hospital Heliport], Indiana, US (40 mi / 64 km SE)
				IS79		Crystal Lake [Jackson SPB], Illinois, US (40 mi / 64 km NW)
				52IS		Minooka [Dresden Power Station Heliport], Illinois, US (40 mi / 64 km SW)
KUGN		UGN		UGN		Chicago/Waukegan [Waukegan National Airport], Illinois, US (40 mi / 65 km N)