ICAO		IATA		Other		Location
				GC0067		Keystone [Mt. Rushmore Helipad], South Dakota, US (155 mi / 250 km NW)
				SD62		Keystone [Borglum Heliport], South Dakota, US (155 mi / 250 km NW)
				SD42		Keystone [Rushmore Heliport], South Dakota, US (155 mi / 250 km NW)
				2CO8		Brush [East Morgan County Hospital Heliport], Colorado, US (156 mi / 250 km SW)
KRAP		RAP		RAP		Rapid City [Rapid City Regional], South Dakota, US (156 mi / 250 km NW)
				WY05		Cheyenne [Skyview Airpark], Wyoming, US (156 mi / 251 km W)
				5K0		Bird City [Bressler Field], Kansas, US (156 mi / 251 km S)
KFMM				FMM		Fort Morgan [Muni], Colorado, US (157 mi / 252 km SW)
				NE30		Holdrege [Olson Field], Nebraska, US (157 mi / 252 km SE)
				0SD5		Custer [The Fort Heliport], South Dakota, US (157 mi / 252 km NW)
				8CO2		Briggsdale [William Leon Schawo Airport], Colorado, US (157 mi / 252 km SW)
				8NE5		Ericson [X1 Ranch Airport], Nebraska, US (157 mi / 253 km E)
				SD18		Rapid City [Keystone Heliport], South Dakota, US (157 mi / 253 km NW)
				3SD2		Box Elder [Kauer Airport (Private)], South Dakota, US (158 mi / 254 km N)
				0SD9		Custer [Crazy Horse Heliport], South Dakota, US (158 mi / 254 km NW)
				5P5		Presho [Muni], South Dakota, US (158 mi / 254 km NE)
				CO08		Idalia [Helling Airport], Colorado, US (158 mi / 255 km S)
				WY29		Chugwater [Vowers Ranch Airport], Wyoming, US (158 mi / 255 km W)
				00IG		McDonald [Goltl Airport], Kansas, US (158 mi / 255 km S)
				JECA		Jewel Cave National Monument [Jewel Cave NM], South Dakota, US (159 mi / 256 km NW)