ICAO		IATA		Other		Location
		ZRF				Rockford [Park & Ride Bus Service], Illinois, US (28 mi / 45 km E)
KRFD		RFD		RFD		Chicago/Rockford [Intl], Illinois, US (28 mi / 45 km E)
				31LL		Oregon [Wilco Heliport], Illinois, US (28 mi / 45 km SE)
				09IS		Rockford [Swedish American Heliport], Illinois, US (29 mi / 46 km E)
				WI11		Orfordville [Mumm Field], Wisconsin, US (29 mi / 46 km NE)
				1IS7		Rockford [Ingersoll Heliport], Illinois, US (29 mi / 46 km E)
				79WS		Argyle [Moose Creek Farm Airport], Wisconsin, US (29 mi / 47 km N)
				LL81		Rockford [Latham Park Aero Estates Airport], Illinois, US (29 mi / 47 km E)
KSFY				SFY		Savanna [Tri-Township Airport], Illinois, US (30 mi / 48 km SW)
		(RMC)				Machesney Park (Rockford) [Machesney], Illinois, US (30 mi / 48 km E)
				78IL		Dixon [Dixon Correctional Center Heliport], Illinois, US (30 mi / 48 km S)
				LL89		Rockton [Blackhawk Farms Raceway LLC Airport], Illinois, US (30 mi / 48 km NE)
				IL28		Apple River [Foster Field], Illinois, US (30 mi / 48 km NW)
				3LL0		South Beloit [Miller Airport], Illinois, US (31 mi / 49 km NE)
				65WN		Wiota [Whoopy Hollow Aerodrome], Wisconsin, US (31 mi / 50 km NW)
				54W		Albany, Wisconsin, US (31 mi / 50 km N)
				49IS		Dixon [Katherine Shaw Bethea Hospital Heliport], Illinois, US (32 mi / 51 km S)
				LL84		Rockford [St. Anthony Medical Center Heliport], Illinois, US (32 mi / 51 km E)
				C73		Dixon [Muni-Charles R Walgreen Field], Illinois, US (33 mi / 53 km S)
				IS46		Sterling [CGH Medical Center Heliport], Illinois, US (34 mi / 55 km S)