ICAO		IATA		Other		Location
				SD70		Keystone [Rushmore Heliport], South Dakota, US (123 mi / 198 km E)
				SD42		Keystone [Rushmore Heliport], South Dakota, US (123 mi / 198 km E)
				6V0		Edgemont [Muni], South Dakota, US (124 mi / 200 km SE)
				WY27		Douglas [Wagonhound Airport], Wyoming, US (126 mi / 203 km S)
				SD25		Piedmont [Infinity Landing Airport], South Dakota, US (127 mi / 204 km E)
				6SD4		Edgemont [Xpoint Airport], South Dakota, US (127 mi / 205 km SE)
				26SD		Radip City [Shooting Star Ranch Heliport], South Dakota, US (127 mi / 205 km E)
				12WY		Burlington [Black Diamond Airport], Wyoming, US (128 mi / 206 km W)
				WICA		Wind Cave National Park [Wind Cave NP], South Dakota, US (130 mi / 209 km SE)
				SD40		Rapid City [Rapid City Regional Hospital Heliport], South Dakota, US (130 mi / 209 km E)
				00U		Hardin [Big Horn County Airport], Montana, US (130 mi / 209 km NW)
				3V0		Fairburn [Custer State Park Airport], South Dakota, US (131 mi / 210 km E)
KTHP		THP		THP		Thermopolis [Hot Springs Co-Thermopolis Muni], Wyoming, US (131 mi / 210 km W)
				SD27		Hot Springs [Black Hills Flyway Airport], South Dakota, US (133 mi / 214 km SE)
KLSK		LSK		LSK		Lusk [Muni], Wyoming, US (133 mi / 215 km SE)
				SD23		Hot Springs [Black Hills Health Care System Heliport], South Dakota, US (134 mi / 215 km SE)
				SD76		Camp Crook [Tennant Ranch Airport], South Dakota, US (134 mi / 216 km NE)
KRCA		RCA		RCA		Rapid City [Ellsworth AFB], South Dakota, US (135 mi / 217 km E)
				U68		Cowley/Lovell/Byron [North Big Horn County Airport], Wyoming, US (135 mi / 217 km W)
				1S3		Forsyth [Tillitt Field], Montana, US (135 mi / 218 km N)