ICAO		IATA		Other		Location
				IN13		Cedar Lake [Bianchi Heliport], Indiana, US (36 mi / 57 km SE)
				II57		Merrillville [Nipsco Southlake Complex Heliport], Indiana, US (36 mi / 58 km SE)
				19LL		Manteno [Neiner Airport], Illinois, US (36 mi / 58 km S)
				IN7		Cedar Lake [Cedar Lake SPB], Indiana, US (36 mi / 58 km SE)
				IL85		Kaneville [Oakfield Airport], Illinois, US (36 mi / 58 km W)
				LL09		Mundelein [Air Estates Inc. Airport], Illinois, US (36 mi / 59 km N)
				43II		Merrillville [Kirk Heliport], Indiana, US (37 mi / 59 km SE)
				00IN		Hobart [St. Mary Medical Center Heliport], Indiana, US (37 mi / 59 km SE)
				82IS		Huntley [Landings Condominium Airport], Illinois, US (37 mi / 60 km NW)
				IL18		Crystal Lake [Crystal Lake Holiday Inn Heliport], Illinois, US (37 mi / 60 km NW)
				58IL		Manteno [Spangler Airport], Illinois, US (37 mi / 60 km S)
				C09		Morris [Muni - James R Washburn Field], Illinois, US (37 mi / 60 km SW)
				3CK		Chicago/Lake In The Hills [Lake In The Hills Airport], Illinois, US (38 mi / 60 km NW)
				0II8		Lowell [Sutton's Field], Indiana, US (38 mi / 60 km SE)
				7IL0		Grant Park [Mussman Airport], Illinois, US (38 mi / 62 km SE)
				0LL6		Sandwich [Gord Airport], Illinois, US (38 mi / 62 km W)
				IL74		Huntley [Centegra Hospital-Huntley Heliport], Illinois, US (39 mi / 62 km NW)
				2II5		Portage [Burns Intl Harbor Heliport], Indiana, US (39 mi / 62 km E)
				C81		Grayslake [Campbell Airport], Illinois, US (39 mi / 63 km N)
				8IN5		Portage [Portage Community Hospital Heliport], Indiana, US (39 mi / 63 km SE)