ICAO		IATA		Other		Location
				LL91		Rock City [Hillman Airport], Illinois, US (50 mi / 80 km E)
				IL23		Davis [Ellis Airport], Illinois, US (50 mi / 81 km E)
				LL38		Sterling [Stutzke Airport], Illinois, US (52 mi / 83 km SE)
				WS48		Boscobel [Memorial Hospital Heliport], Wisconsin, US (52 mi / 83 km N)
				WI61		Arena [Forseth Field], Wisconsin, US (52 mi / 83 km NE)
				4IL5		Morrison [Frank's Flying Service Airport], Illinois, US (52 mi / 84 km SE)
				37WI		Mount Horeb [Docken Field], Wisconsin, US (53 mi / 85 km NE)
KOVS				OVS		Boscobel, Wisconsin, US (53 mi / 85 km N)
				LL55		Polo [Gentry Airport], Illinois, US (53 mi / 86 km SE)
				48LL		Leaf River [Rock Cut Farms Airport], Illinois, US (54 mi / 86 km E)
				3H5		Erie [Erie Air Park Ultralight Flightpark], Illinois, US (54 mi / 86 km S)
				00IL		Polo [Hammer Airport], Illinois, US (54 mi / 87 km SE)
				88WS		Verona [Ottos Airfield], Wisconsin, US (54 mi / 87 km NE)
				4WI6		Prairie Du Chien [Crossing Rivers Health Heliport], Wisconsin, US (54 mi / 88 km NW)
				2WI7		Mount Vernon [Hecklers Strip], Wisconsin, US (55 mi / 88 km NE)
KPDC		PCD		PDC		Prairie Du Chien [Muni], Wisconsin, US (55 mi / 88 km NW)
				C27		Manchester [Muni], Iowa, US (55 mi / 88 km W)
				C37		Brodhead, Wisconsin, US (55 mi / 88 km E)
				47IS		Durand [Flying Z Ranch Airport], Illinois, US (55 mi / 89 km E)
				8IL5		Pecatonica [O'Connor Field], Illinois, US (55 mi / 89 km E)