ICAO		IATA		Other		Location
				04WI		Bristol [Dutch Gap Airstrip], Wisconsin, US (45 mi / 72 km N)
				3HO		Hobart [Hobart Sky Ranch Airport], Indiana, US (45 mi / 72 km SE)
				58IL		Manteno [Spangler Airport], Illinois, US (45 mi / 72 km S)
				IL34		Belvidere [Henderson Field], Illinois, US (45 mi / 72 km NW)
				IN16		Crown Point [Crown Point Airfield], Indiana, US (45 mi / 72 km SE)
				7IL9		Serena [Friends Field], Illinois, US (45 mi / 72 km SW)
				IN13		Cedar Lake [Bianchi Heliport], Indiana, US (45 mi / 73 km SE)
				0LL0		Belvidere [Kaufield Airport], Illinois, US (46 mi / 73 km NW)
				49C		Camp Lake, Wisconsin, US (46 mi / 73 km N)
				IL95		Custer Park [Corn Field], Illinois, US (46 mi / 73 km S)
				WN63		Bristol, Wisconsin, US (46 mi / 73 km N)
				IS83		Belvidere [Untied Acres Airport], Illinois, US (46 mi / 73 km NW)
				II57		Merrillville [Nipsco Southlake Complex Heliport], Indiana, US (46 mi / 74 km SE)
				8IL0		Harvard [Adkins Airport], Illinois, US (46 mi / 74 km NW)
				IN7		Cedar Lake [Cedar Lake SPB], Indiana, US (46 mi / 74 km SE)
				5IL5		Mazon [Hope Field], Illinois, US (46 mi / 74 km SW)
				43II		Merrillville [Kirk Heliport], Indiana, US (46 mi / 75 km SE)
				00IN		Hobart [St. Mary Medical Center Heliport], Indiana, US (46 mi / 75 km SE)
				12IL		Kankakee [Hawker Airport], Illinois, US (47 mi / 75 km S)
				IS15		Esmond [Vodden Airport], Illinois, US (47 mi / 76 km W)