ICAO		IATA		Other		Location
				II57		Merrillville [Nipsco Southlake Complex Heliport], Indiana, US (40 mi / 64 km SE)
				8IS8		Lindenhurst [Vista Surgery Center Heliport], Illinois, US (40 mi / 64 km N)
				0LL7		Sandwich [Valley West Hospital Heliport], Illinois, US (40 mi / 64 km W)
				16LL		Bull Valley [Oak Landing Heliport], Illinois, US (40 mi / 64 km NW)
				IN13		Cedar Lake [Bianchi Heliport], Indiana, US (40 mi / 64 km SE)
				C09		Morris [Muni - James R Washburn Field], Illinois, US (40 mi / 64 km SW)
				64IS		Fox Lake [Precision Chrome Heliport], Illinois, US (40 mi / 65 km N)
				68IS		Hampshire [Casa De Aero Park Airport], Illinois, US (40 mi / 65 km NW)
				00IN		Hobart [St. Mary Medical Center Heliport], Indiana, US (40 mi / 65 km SE)
				4LL8		Sycamore [Colonial Acres Airport], Illinois, US (40 mi / 65 km W)
				8IL7		McHenry [Dutch Creek SPB], Illinois, US (40 mi / 65 km NW)
				43II		Merrillville [Kirk Heliport], Indiana, US (40 mi / 65 km SE)
				IN7		Cedar Lake [Cedar Lake SPB], Indiana, US (41 mi / 65 km SE)
				5LL7		Union [Funny Farm Airport], Illinois, US (41 mi / 66 km NW)
				30IS		Genoa [Aero Lake Estates Airport], Illinois, US (41 mi / 66 km NW)
				19LL		Manteno [Neiner Airport], Illinois, US (41 mi / 66 km S)
				2II5		Portage [Burns Intl Harbor Heliport], Indiana, US (41 mi / 66 km E)
				IL44		Fox Lake [Arrow Heliport], Illinois, US (41 mi / 66 km N)
				4LL7		Sycamore [Willadae Farms Airport], Illinois, US (41 mi / 66 km W)
				IS65		Sandwich [Woodlake Landing Airport], Illinois, US (41 mi / 67 km W)