ICAO		IATA		Other		Location
				8IL4		Harvard [Mercy Harvard Hospital Heliport], Illinois, US (36 mi / 58 km NW)
				0C0		Harvard [Dacy Airport], Illinois, US (36 mi / 58 km NW)
				08IL		Cortland [Marshall Farms Airport], Illinois, US (36 mi / 58 km SW)
KDKB				DKB		De Kalb [De Kalb Taylor Muni], Illinois, US (36 mi / 59 km W)
				PULL		Chicago [Pullman NM (Pullman National Monument)], Illinois, US (37 mi / 59 km SE)
				0IL6		De Kalb [Northwestern Memorial Healthcare Heliport], Illinois, US (37 mi / 59 km W)
				0LL0		Belvidere [Kaufield Airport], Illinois, US (37 mi / 59 km W)
				LL51		Plainfield [Ruffatto Field], Illinois, US (37 mi / 60 km S)
				IL34		Belvidere [Henderson Field], Illinois, US (37 mi / 60 km W)
				WN69		Burlington [Leach Farms Heliport], Wisconsin, US (37 mi / 60 km N)
				WI86		Kansasville [Ori Airport], Wisconsin, US (38 mi / 61 km N)
				LL35		Chicago [Chicago Fire Department Air Sea Rescue Heliport], Illinois, US (38 mi / 61 km SE)
				IS83		Belvidere [Untied Acres Airport], Illinois, US (38 mi / 61 km W)
				8IL2		Harvard [Kirkpatrick Airport], Illinois, US (38 mi / 62 km NW)
				62LL		Yorkville [Rush Copley Emergency Center Heliport], Illinois, US (39 mi / 62 km SW)
		XES		C02		Lake Geneva [Grand Geneva Resort Airport], Wisconsin, US (39 mi / 62 km NW)
				WS73		Walworth [Big Foot Farms Heliport], Wisconsin, US (39 mi / 63 km NW)
				9IL9		New Lenox [Silver Cross Hospital Heliport], Illinois, US (40 mi / 64 km S)
				IL36		Belvidere [Bob Walberg Field], Illinois, US (40 mi / 64 km W)
				IS17		Harvey [Harvey Police Department Heliport], Illinois, US (40 mi / 64 km SE)