ICAO		IATA		Other		Location
KRFD		RFD		RFD		Chicago/Rockford [Intl], Illinois, US (45 mi / 72 km S)
				7WI6		Wyocena [Weatherbee Field], Wisconsin, US (45 mi / 72 km N)
				8IL4		Harvard [Mercy Harvard Hospital Heliport], Illinois, US (45 mi / 72 km SE)
				0C0		Harvard [Dacy Airport], Illinois, US (45 mi / 72 km SE)
				WN39		Wyocena [Knutson Field], Wisconsin, US (45 mi / 73 km N)
				WI39		Oconomowoc [Aurora Summit Medical Center Heliport], Wisconsin, US (46 mi / 73 km E)
				86WI		Elkhorn [Terhark Airport], Wisconsin, US (46 mi / 74 km E)
				4WI1		Rio [Bancroft East Airport], Wisconsin, US (46 mi / 74 km N)
				84IL		Stockton [Bud Pierce Memorial Airport], Illinois, US (46 mi / 74 km SW)
				WS15		Wyocena [Mill House Field], Wisconsin, US (46 mi / 75 km N)
				8IL0		Harvard [Adkins Airport], Illinois, US (47 mi / 76 km SE)
				34WI		Baraboo [Thiessen Field], Wisconsin, US (47 mi / 76 km NW)
				4IL3		Stillman Valley (Byron) [Thrifty Acres Airport], Illinois, US (47 mi / 76 km S)
				57C		East Troy [Muni], Wisconsin, US (47 mi / 76 km E)
				0WI8		Oconomowoc, Wisconsin, US (47 mi / 76 km NE)
				2WI4		Springfield [Plows & Props Airport], Wisconsin, US (48 mi / 77 km E)
KMRJ				MRJ		Mineral Point [Iowa County Airport], Wisconsin, US (48 mi / 77 km W)
				9WI8		Spring Prairie [Fletcher Airport], Wisconsin, US (48 mi / 77 km E)
				2IL0		Shannon [Woodley North Airport], Illinois, US (48 mi / 78 km SW)
				0LL0		Belvidere [Kaufield Airport], Illinois, US (48 mi / 78 km SE)