ICAO		IATA		Other		Location
				SD70		Keystone [Rushmore Heliport], South Dakota, US (77 mi / 123 km N)
				BADL		Badlands National Park [Badlands NP], South Dakota, US (77 mi / 124 km NE)
				SD62		Keystone [Borglum Heliport], South Dakota, US (77 mi / 124 km N)
				SD42		Keystone [Rushmore Heliport], South Dakota, US (77 mi / 124 km N)
				SD18		Rapid City [Keystone Heliport], South Dakota, US (79 mi / 127 km N)
				57NE		Merriman [Cole Memorial Airport], Nebraska, US (80 mi / 129 km E)
				9V6		Martin [Muni], South Dakota, US (83 mi / 133 km E)
KGUR				GUR		Guernsey [Camp Guernsey Airport], Wyoming, US (83 mi / 134 km SW)
				9NE3		Hyannis [Davis Ranch Airport], Nebraska, US (86 mi / 138 km SE)
				26SD		Radip City [Shooting Star Ranch Heliport], South Dakota, US (86 mi / 138 km N)
				4SD4		Rapid City [Dan's Airport], South Dakota, US (87 mi / 141 km N)
KRAP		RAP		RAP		Rapid City [Rapid City Regional], South Dakota, US (88 mi / 141 km N)
				SD40		Rapid City [Rapid City Regional Hospital Heliport], South Dakota, US (88 mi / 141 km N)
				76V		Glendo [Thomas Memorial Airport], Wyoming, US (92 mi / 148 km W)
				WY25		Wheatland [Snell - North Laramie River Airport], Wyoming, US (92 mi / 148 km W)
				0SD7		Wanblee [Porch Ranch Airport], South Dakota, US (92 mi / 149 km NE)
				(WY28)		Yoder [Canyon View Ranch Airport], Wyoming, US (92 mi / 149 km SW)
				3SD2		Box Elder [Kauer Airport (Private)], South Dakota, US (93 mi / 149 km N)
KECS		ECS		ECS		Newcastle [Mondell Field], Wyoming, US (93 mi / 149 km NW)
				0NE0		Ashby [Merrihew Airport], Nebraska, US (93 mi / 150 km SE)