ICAO		IATA		Other		Location
				56IL		Caledonia [Lee Creek Airport], Illinois, US (28 mi / 45 km SE)
KFEP		FEP		FEP		Freeport [Albertus Airport], Illinois, US (28 mi / 45 km S)
				2WI7		Mount Vernon [Hecklers Strip], Wisconsin, US (28 mi / 46 km NW)
				09IS		Rockford [Swedish American Heliport], Illinois, US (29 mi / 46 km SE)
				65WN		Wiota [Whoopy Hollow Aerodrome], Wisconsin, US (29 mi / 46 km W)
				96IL		Lena [Gerbick Airport], Illinois, US (29 mi / 47 km SW)
				87WI		Cottage Grove [Quale Airport], Wisconsin, US (29 mi / 47 km N)
				82IL		Rockford [Mercyhealth System-Riverside Heliport], Illinois, US (30 mi / 48 km SE)
				0WS7		Rockdale, Wisconsin, US (30 mi / 48 km NE)
				59WI		Cottage Grove [Little Wheel Field], Wisconsin, US (30 mi / 49 km N)
				WS52		Madison [SSM Health, St. Marys Hospital - Madison Heliport], Wisconsin, US (30 mi / 49 km N)
				LL84		Rockford [St. Anthony Medical Center Heliport], Illinois, US (31 mi / 49 km SE)
				WI93		Madison [Meriter/Park Heliport], Wisconsin, US (31 mi / 50 km N)
				WS27		Madison [UW Hospital & Clinics Heliport], Wisconsin, US (32 mi / 51 km N)
				37WI		Mount Horeb [Docken Field], Wisconsin, US (32 mi / 52 km NW)
		ZRF				Rockford [Park & Ride Bus Service], Illinois, US (32 mi / 52 km SE)
				05WI		Darien [Ames Airport (Private)], Wisconsin, US (32 mi / 52 km E)
				WS49		Fort Atkinson [Christie Aerodrome], Wisconsin, US (32 mi / 52 km NE)
				WI43		Daleyville [Atkins Ridge Airport], Wisconsin, US (32 mi / 52 km NW)
KRFD		RFD		RFD		Chicago/Rockford [Intl], Illinois, US (33 mi / 52 km SE)