ICAO		IATA		Other		Location
				26SD		Radip City [Shooting Star Ranch Heliport], South Dakota, US (93 mi / 150 km E)
KEFC				EFC		Belle Fourche [Muni], South Dakota, US (94 mi / 152 km NE)
				SD26		Sturgis [Mike Jacob Sturgis Heliport], South Dakota, US (96 mi / 154 km NE)
				SD71		Oelrichs [Bogner Field], South Dakota, US (96 mi / 155 km SE)
				WY25		Wheatland [Snell - North Laramie River Airport], Wyoming, US (97 mi / 156 km S)
				MT50		Alzada [Lanning Ranch Airport], Montana, US (97 mi / 156 km N)
				SD40		Rapid City [Rapid City Regional Hospital Heliport], South Dakota, US (97 mi / 156 km E)
				45WY		Casper [American Falconry Airport], Wyoming, US (97 mi / 156 km SW)
				SD25		Piedmont [Infinity Landing Airport], South Dakota, US (99 mi / 159 km E)
				49B		Sturgis [Muni], South Dakota, US (99 mi / 160 km NE)
				SD24		Sturgis [Eden Valley Airport], South Dakota, US (99 mi / 160 km NE)
				SD35		Sturgis [Bruch Airfield], South Dakota, US (101 mi / 163 km NE)
KGUR				GUR		Guernsey [Camp Guernsey Airport], Wyoming, US (101 mi / 163 km S)
KPIN						Piney Creek, Wyoming, US (102 mi / 165 km NW)
				1SD6		Oelrich's [Bogner No II Airport], South Dakota, US (103 mi / 165 km SE)
KRCA		RCA		RCA		Rapid City [Ellsworth AFB], South Dakota, US (104 mi / 168 km E)
KRAP		RAP		RAP		Rapid City [Rapid City Regional], South Dakota, US (105 mi / 169 km E)
				4SD4		Rapid City [Dan's Airport], South Dakota, US (105 mi / 170 km E)
				WY16		Medicine Bow [Robbins Airport], Wyoming, US (107 mi / 172 km S)
				(MT59)		Hammond [Gardner Airport], Montana, US (109 mi / 175 km N)