ICAO		IATA		Other		Location
				6V5		Bison [Muni], South Dakota, US (110 mi / 176 km N)
KSPF		SPF		SPF		Spearfish [Black Hills-Clyde Ice Field], South Dakota, US (110 mi / 176 km W)
KCDR		CDR		CDR		Chadron [Muni], Nebraska, US (110 mi / 177 km SW)
				JECA		Jewel Cave National Monument [Jewel Cave NM], South Dakota, US (110 mi / 177 km W)
				SD91		Spearfish [Star Aviation Number 1 Heliport], South Dakota, US (111 mi / 178 km W)
				SD08		Colome [Keystone Xl Colome Heliport], South Dakota, US (112 mi / 180 km SE)
				2NE4		Gordon [Spring Lake Airport], Nebraska, US (112 mi / 181 km S)
				0NE1		Ashby [Runner Landing Area Airport], Nebraska, US (113 mi / 183 km S)
				0SD3		Hoover [Bledsoe Ranch Airport], South Dakota, US (114 mi / 184 km NW)
				9D0		Highmore [Muni], South Dakota, US (115 mi / 185 km E)
				SD93		Gettysburg [Gary Myers Airport], South Dakota, US (117 mi / 188 km NE)
				SD09		Chamberlain [Mid-Dakota Hospital Heliport], South Dakota, US (118 mi / 190 km E)
				9V9		Chamberlain [Muni], South Dakota, US (118 mi / 191 km E)
KEFC				EFC		Belle Fourche [Muni], South Dakota, US (119 mi / 191 km NW)
				SD80		Mobridge [Mobridge Regional Hospital Heliport], South Dakota, US (120 mi / 193 km NE)
				6V0		Edgemont [Muni], South Dakota, US (121 mi / 194 km SW)
				24NE		Lakeside [Orr Airport], Nebraska, US (121 mi / 194 km S)
KMBG		MBG		MBG		Mobridge [Muni], South Dakota, US (121 mi / 195 km NE)
				SD44		Chamberlain [Cook Field], South Dakota, US (121 mi / 195 km E)
				WY53		Four Corners [Moburg Aero Airport], Wyoming, US (123 mi / 198 km W)