ICAO		IATA		Other		Location
				SD62		Keystone [Borglum Heliport], South Dakota, US (76 mi / 122 km SE)
				SD42		Keystone [Rushmore Heliport], South Dakota, US (76 mi / 122 km SE)
				SD70		Keystone [Rushmore Heliport], South Dakota, US (76 mi / 122 km SE)
				WY01		Bill [Dilts Ranch Airport], Wyoming, US (76 mi / 122 km SW)
				SD25		Piedmont [Infinity Landing Airport], South Dakota, US (78 mi / 125 km E)
				84WY		Douglas [Moore Ranch Airport], Wyoming, US (78 mi / 126 km SW)
				26SD		Radip City [Shooting Star Ranch Heliport], South Dakota, US (79 mi / 127 km E)
(KBDX)		(BDX)				Broadus, Montana, US (80 mi / 129 km N)
				SD40		Rapid City [Rapid City Regional Hospital Heliport], South Dakota, US (81 mi / 131 km E)
				WY18		Midwest [Iberlin Ranch Number 2 Airport], Wyoming, US (81 mi / 131 km SW)
		BDX		00F		Broadus, Montana, US (83 mi / 134 km N)
				WY07		Douglas [Hardy Ranch Airport], Wyoming, US (83 mi / 134 km SW)
				3V0		Fairburn [Custer State Park Airport], South Dakota, US (85 mi / 136 km SE)
KRCA		RCA		RCA		Rapid City [Ellsworth AFB], South Dakota, US (86 mi / 138 km E)
				WICA		Wind Cave National Park [Wind Cave NP], South Dakota, US (86 mi / 139 km SE)
				6V0		Edgemont [Muni], South Dakota, US (88 mi / 141 km SE)
				SD33		Camp Crook [Sky Ranch For Boys Airport], South Dakota, US (88 mi / 142 km NE)
KRAP		RAP		RAP		Rapid City [Rapid City Regional], South Dakota, US (90 mi / 144 km E)
				4SD4		Rapid City [Dan's Airport], South Dakota, US (90 mi / 145 km E)
				MT05		Ekalaka [Laird Ranch Airport], Montana, US (91 mi / 146 km N)