ICAO		IATA		Other		Location
KHSR				HSR		Hot Springs [Muni], South Dakota, US (153 mi / 246 km E)
				W43		Hulett [Muni], Wyoming, US (154 mi / 247 km NE)
				47CO		New Raymer [Mile Hi Airport], Colorado, US (154 mi / 248 km SE)
KBFF		BFF		BFF		Scottsbluff [Western Nebraska Regional/William B Heilig Field/Scottsbluff], Nebraska, US (154 mi / 248 km SE)
				4CO2		Wellington [Owl Canyon Gliderport], Colorado, US (156 mi / 251 km SE)
				WY02		Carpenter [Morrison Airport], Wyoming, US (156 mi / 251 km SE)
				24CD		Walden [Michigan River Ranch Heliport], Colorado, US (157 mi / 253 km S)
				1SD6		Oelrich's [Bogner No II Airport], South Dakota, US (158 mi / 254 km E)
				WY42		Meeteetse [Yu Ranch Airport], Wyoming, US (158 mi / 255 km NW)
				6CO1		Wellington [Burnham Field], Colorado, US (159 mi / 256 km SE)
				2CO0		Fort Collins [Heli-One American Support, LLC Heliport], Colorado, US (159 mi / 256 km S)
				13CO		Steamboat Springs [Mann Heliport], Colorado, US (160 mi / 257 km S)
				3SD5		Lead [Dilligaf Heliport], South Dakota, US (160 mi / 257 km NE)
				CO67		Carr [Big View Airport], Colorado, US (160 mi / 257 km SE)
				2CD9		Laporte [Kellogg Airstrip], Colorado, US (161 mi / 258 km SE)
				GC0067		Keystone [Mt. Rushmore Helipad], South Dakota, US (161 mi / 260 km NE)
				82V		Pine Bluffs [Muni], Wyoming, US (161 mi / 260 km SE)
				3V0		Fairburn [Custer State Park Airport], South Dakota, US (162 mi / 260 km NE)
KSBS		SBS		SBS		Steamboat Springs [Steamboat Springs/Bob Adams Field], Colorado, US (162 mi / 261 km S)
				SD70		Keystone [Rushmore Heliport], South Dakota, US (163 mi / 262 km NE)