ICAO		IATA		Other		Location
				9V9		Chamberlain [Muni], South Dakota, US (156 mi / 251 km E)
				WY01		Bill [Dilts Ranch Airport], Wyoming, US (158 mi / 254 km W)
KOKS		OKS		OKS		Oshkosh [Garden County/King Rhiley Field], Nebraska, US (158 mi / 254 km S)
				WY25		Wheatland [Snell - North Laramie River Airport], Wyoming, US (159 mi / 255 km SW)
				WY21		Gillette [Campbell County Memorial Hospital Heliport], Wyoming, US (159 mi / 256 km W)
				SD44		Chamberlain [Cook Field], South Dakota, US (159 mi / 256 km E)
				9D0		Highmore [Muni], South Dakota, US (160 mi / 257 km NE)
				5NE4		Sutherland [Snyder Ranch Airport], Nebraska, US (160 mi / 257 km SE)
KHEI				HEI		Hettinger [Hettinger/JB Lindquist Regional], North Dakota, US (161 mi / 259 km N)
KDGW		DGW		DGW		Douglas [Converse County Airport], Wyoming, US (161 mi / 259 km W)
KGCC		GCC		GCC		Gillette [Northeast Wyoming Regional], Wyoming, US (161 mi / 259 km W)
				SD80		Mobridge [Mobridge Regional Hospital Heliport], South Dakota, US (161 mi / 260 km NE)
				WY12		Gillette [Ohman Ranch Airport], Wyoming, US (162 mi / 260 km W)
				WY13		Gillette [Little Buffalo Ranch Airport], Wyoming, US (162 mi / 260 km W)
				(MT59)		Hammond [Gardner Airport], Montana, US (162 mi / 260 km NW)
				SD58		Burke [Burke Hospital Heliport], South Dakota, US (162 mi / 261 km E)
				SD93		Gettysburg [Gary Myers Airport], South Dakota, US (162 mi / 261 km NE)
KMBG		MBG		MBG		Mobridge [Muni], South Dakota, US (163 mi / 262 km NE)
				1NE6		Dalton [Miller Airstrip], Nebraska, US (163 mi / 263 km S)
KRBE				RBE		Bassett [Rock County Airport], Nebraska, US (164 mi / 264 km SE)