ICAO		IATA		Other		Location
				SD70		Keystone [Rushmore Heliport], South Dakota, US (167 mi / 269 km W)
				SD35		Sturgis [Bruch Airfield], South Dakota, US (167 mi / 269 km W)
KBTN		TTO		BTN		Britton [Muni], South Dakota, US (167 mi / 269 km NE)
				SD18		Rapid City [Keystone Heliport], South Dakota, US (168 mi / 270 km W)
				6H8		Hazelton [Muni], North Dakota, US (168 mi / 270 km N)
				GC0067		Keystone [Mt. Rushmore Helipad], South Dakota, US (168 mi / 271 km W)
				ND85		Hazelton [Humann Private Airstrip], North Dakota, US (169 mi / 271 km N)
				SD22		Dell Rapids [Avera Dells Area Hospital Heliport], South Dakota, US (169 mi / 271 km E)
				SD26		Sturgis [Mike Jacob Sturgis Heliport], South Dakota, US (169 mi / 272 km W)
				2SD0		Nemo [Paradise Valley Airport], South Dakota, US (169 mi / 272 km W)
				4V9		Neligh [Antelope County Airport], Nebraska, US (169 mi / 272 km SE)
				Y14		Tea [Marv Skie-Lincoln County Airport], South Dakota, US (169 mi / 273 km E)
				5B5		Napoleon [Muni], North Dakota, US (169 mi / 273 km N)
				2SD6		Sioux Falls [Avera Heart Hospital of South Dakota Heliport], South Dakota, US (170 mi / 273 km E)
				60NE		Chadron [Chadron Community Hospital Heliport], Nebraska, US (170 mi / 274 km SW)
KFSD		FSD		FSD		Sioux Falls [Joe Foss Field], South Dakota, US (170 mi / 274 km E)
				33NE		Hay Springs [Orr Ranch Airport], Nebraska, US (170 mi / 274 km SW)
				8NE5		Ericson [X1 Ranch Airport], Nebraska, US (171 mi / 274 km SE)
				1SD6		Oelrich's [Bogner No II Airport], South Dakota, US (171 mi / 275 km W)
				1SD9		Sioux Falls [Sanford Usd Medical Center Heliport], South Dakota, US (171 mi / 275 km E)