ICAO		IATA		Other		Location
				SD86		Custer [Monument Health Custer Hospital Heliport], South Dakota, US (81 mi / 130 km N)
				0SD5		Custer [The Fort Heliport], South Dakota, US (82 mi / 132 km N)
				3V0		Fairburn [Custer State Park Airport], South Dakota, US (82 mi / 132 km NE)
				0SD9		Custer [Crazy Horse Heliport], South Dakota, US (83 mi / 134 km N)
				9V5		Rushville [Modisett Airport], Nebraska, US (84 mi / 135 km E)
KIEN		XPR		IEN		Pine Ridge, South Dakota, US (84 mi / 135 km E)
KECS		ECS		ECS		Newcastle [Mondell Field], Wyoming, US (85 mi / 137 km N)
				24NE		Lakeside [Orr Airport], Nebraska, US (87 mi / 139 km E)
				WY01		Bill [Dilts Ranch Airport], Wyoming, US (90 mi / 144 km NW)
				GC0067		Keystone [Mt. Rushmore Helipad], South Dakota, US (90 mi / 145 km N)
				SD70		Keystone [Rushmore Heliport], South Dakota, US (91 mi / 146 km N)
				SD62		Keystone [Borglum Heliport], South Dakota, US (91 mi / 147 km N)
				SD42		Keystone [Rushmore Heliport], South Dakota, US (91 mi / 147 km N)
				WY07		Douglas [Hardy Ranch Airport], Wyoming, US (92 mi / 149 km NW)
				SD18		Rapid City [Keystone Heliport], South Dakota, US (92 mi / 149 km N)
				WY16		Medicine Bow [Robbins Airport], Wyoming, US (95 mi / 152 km W)
KGRN		GRN		GRN		Gordon [Muni], Nebraska, US (98 mi / 158 km E)
				WY53		Four Corners [Moburg Aero Airport], Wyoming, US (98 mi / 158 km N)
				84WY		Douglas [Moore Ranch Airport], Wyoming, US (100 mi / 160 km NW)
				2NE4		Gordon [Spring Lake Airport], Nebraska, US (101 mi / 162 km E)