ICAO		IATA		Other		Location
				SD91		Spearfish [Star Aviation Number 1 Heliport], South Dakota, US (53 mi / 85 km N)
KSPF		SPF		SPF		Spearfish [Black Hills-Clyde Ice Field], South Dakota, US (53 mi / 85 km N)
				83V		Upton [Muni], Wyoming, US (63 mi / 101 km NW)
				6V4		Wall [Muni], South Dakota, US (64 mi / 103 km E)
KCDR		CDR		CDR		Chadron [Muni], Nebraska, US (66 mi / 106 km S)
				SD98		Enning [Barber Airport], South Dakota, US (68 mi / 109 km NE)
				60NE		Chadron [Chadron Community Hospital Heliport], Nebraska, US (68 mi / 109 km S)
KIEN		XPR		IEN		Pine Ridge, South Dakota, US (70 mi / 113 km SE)
KEFC				EFC		Belle Fourche [Muni], South Dakota, US (71 mi / 114 km N)
				WY09		Dull Center (SW Clareton) [Sherwin Field Number 1 Airport], Wyoming, US (72 mi / 116 km W)
				WY55		Sundance [Taylor Field], Wyoming, US (72 mi / 117 km NW)
				01WY		Moorcroft [Keyhole Airport], Wyoming, US (78 mi / 126 km NW)
				SD69		Interior [Badlands Heliport], South Dakota, US (79 mi / 128 km E)
KLSK		LSK		LSK		Lusk [Muni], Wyoming, US (83 mi / 133 km SW)
				W43		Hulett [Muni], Wyoming, US (83 mi / 134 km NW)
				4V6		Hay Springs [Muni], Nebraska, US (83 mi / 134 km SE)
				DETO		Devils Tower National Monument [Devils Tower NM], Wyoming, US (85 mi / 136 km NW)
				WY14		Hulett [Ipy Ranch Airport], Wyoming, US (86 mi / 138 km NW)
				9V5		Rushville [Modisett Airport], Nebraska, US (87 mi / 140 km SE)
				0SD7		Wanblee [Porch Ranch Airport], South Dakota, US (89 mi / 143 km E)