ICAO		IATA		Other		Location
				BADL		Badlands National Park [Badlands NP], South Dakota, US (115 mi / 185 km N)
				8CO2		Briggsdale [William Leon Schawo Airport], Colorado, US (115 mi / 186 km SW)
				0SD9		Custer [Crazy Horse Heliport], South Dakota, US (116 mi / 186 km N)
				3SD3		Scenic [Brown Field], South Dakota, US (116 mi / 187 km N)
KDGW		DGW		DGW		Douglas [Converse County Airport], Wyoming, US (118 mi / 190 km W)
				GC0067		Keystone [Mt. Rushmore Helipad], South Dakota, US (118 mi / 190 km N)
				SD70		Keystone [Rushmore Heliport], South Dakota, US (119 mi / 191 km N)
KGGF				GGF		Grant [Muni], Nebraska, US (119 mi / 191 km SE)
				SD62		Keystone [Borglum Heliport], South Dakota, US (119 mi / 192 km N)
				SD42		Keystone [Rushmore Heliport], South Dakota, US (119 mi / 192 km N)
				CO06		New Raymer [Wirth Field], Colorado, US (120 mi / 193 km S)
				66NE		Madrid [Cornelius Farm Airport], Nebraska, US (120 mi / 194 km SE)
				26CO		Holyoke [Melissa Memorial Hospital Heliport], Colorado, US (120 mi / 194 km SE)
				0SD7		Wanblee [Porch Ranch Airport], South Dakota, US (120 mi / 194 km NE)
				SD18		Rapid City [Keystone Heliport], South Dakota, US (121 mi / 194 km N)
				47CO		New Raymer [Mile Hi Airport], Colorado, US (121 mi / 194 km SW)
KHEQ				HEQ		Holyoke, Colorado, US (121 mi / 195 km SE)
				WY27		Douglas [Wagonhound Airport], Wyoming, US (121 mi / 195 km W)
				04NE		Sarben [McConnell Field], Nebraska, US (122 mi / 196 km SE)
				4NE0		Madrid [Regier Brothers Airport], Nebraska, US (123 mi / 197 km SE)