ICAO		IATA		Other		Location
KDKB				DKB		De Kalb [De Kalb Taylor Muni], Illinois, US (48 mi / 77 km W)
				57IL		Peotone [South Suburban Heliport], Illinois, US (48 mi / 77 km S)
				8IL0		Harvard [Adkins Airport], Illinois, US (48 mi / 77 km NW)
				II57		Merrillville [Nipsco Southlake Complex Heliport], Indiana, US (48 mi / 77 km SE)
				0IL6		De Kalb [Northwestern Memorial Healthcare Heliport], Illinois, US (48 mi / 77 km W)
KRAC		RAC		RAC		Racine [Batten Intl], Wisconsin, US (49 mi / 78 km N)
				43II		Merrillville [Kirk Heliport], Indiana, US (49 mi / 78 km SE)
				0LL6		Sandwich [Gord Airport], Illinois, US (49 mi / 78 km SW)
				IN16		Crown Point [Crown Point Airfield], Indiana, US (49 mi / 78 km SE)
				8IL4		Harvard [Mercy Harvard Hospital Heliport], Illinois, US (49 mi / 78 km NW)
				3IN0		Portage [Flying M Airport], Indiana, US (49 mi / 79 km SE)
		XES		C02		Lake Geneva [Grand Geneva Resort Airport], Wisconsin, US (49 mi / 79 km NW)
				0C0		Harvard [Dacy Airport], Illinois, US (49 mi / 79 km NW)
				IL59		Channahon [Chicago Glider Club Gliderport], Illinois, US (49 mi / 79 km SW)
				WN68		Burlington [Aurora Memorial Hospital of Burlington Heliport], Wisconsin, US (49 mi / 79 km NW)
				IN70		Chesterton [Bodin Airport], Indiana, US (49 mi / 79 km SE)
				0LL0		Belvidere [Kaufield Airport], Illinois, US (50 mi / 80 km W)
				WI72		North Cape [Valhalla Airport], Wisconsin, US (50 mi / 81 km N)
				IN13		Cedar Lake [Bianchi Heliport], Indiana, US (50 mi / 81 km S)
				IL34		Belvidere [Henderson Field], Illinois, US (50 mi / 81 km W)