ICAO		IATA		Other		Location
				NE41		Scottsbluff [Regional West Medical Center Heliport], Nebraska, US (177 mi / 285 km SE)
				81CO		Steamboat Springs [Mesa 1 Airport], Colorado, US (177 mi / 285 km S)
				WY56		Hulett [Pierce Ranch Airport], Wyoming, US (177 mi / 285 km NE)
				6CO1		Wellington [Burnham Field], Colorado, US (180 mi / 289 km SE)
				WY02		Carpenter [Morrison Airport], Wyoming, US (180 mi / 289 km SE)
				2CD9		Laporte [Kellogg Airstrip], Colorado, US (180 mi / 289 km SE)
				GC0067		Keystone [Mt. Rushmore Helipad], South Dakota, US (180 mi / 289 km E)
				CO67		Carr [Big View Airport], Colorado, US (180 mi / 290 km SE)
				CD99		Steamboat Springs [Lucky L Ranch Airport], Colorado, US (180 mi / 290 km S)
KBFF		BFF		BFF		Scottsbluff [Western Nebraska Regional/William B Heilig Field/Scottsbluff], Nebraska, US (180 mi / 290 km SE)
				1SD6		Oelrich's [Bogner No II Airport], South Dakota, US (181 mi / 291 km E)
				SD18		Rapid City [Keystone Heliport], South Dakota, US (181 mi / 291 km E)
				SD70		Keystone [Rushmore Heliport], South Dakota, US (181 mi / 292 km E)
				SD62		Keystone [Borglum Heliport], South Dakota, US (181 mi / 292 km E)
				5CO8		Oak Creek [Pleasant Valley Airport], Colorado, US (181 mi / 292 km S)
				3V0		Fairburn [Custer State Park Airport], South Dakota, US (181 mi / 292 km E)
				SD42		Keystone [Rushmore Heliport], South Dakota, US (182 mi / 292 km E)
				SD91		Spearfish [Star Aviation Number 1 Heliport], South Dakota, US (182 mi / 293 km NE)
				LIBI		Little Bighorn Battlefield National Monument [Little Bighorn Battlefield NM], Montana, US (182 mi / 293 km N)
				SD90		Spearfish [Mitchells Strip], South Dakota, US (183 mi / 294 km NE)