ICAO		IATA		Other		Location
				ROMO		Rocky Mountain National Park [Rocky Mountain NP], Colorado, US (182 mi / 292 km S)
				CD20		Loveland [Sprague Airport], Colorado, US (182 mi / 293 km SE)
				GC0067		Keystone [Mt. Rushmore Helipad], South Dakota, US (182 mi / 293 km NE)
				3CO8		Estes Park [E P M C Heliport], Colorado, US (182 mi / 293 km S)
				3V0		Fairburn [Custer State Park Airport], South Dakota, US (183 mi / 295 km E)
				MT50		Alzada [Lanning Ranch Airport], Montana, US (183 mi / 295 km NE)
				SD70		Keystone [Rushmore Heliport], South Dakota, US (184 mi / 296 km NE)
				SD18		Rapid City [Keystone Heliport], South Dakota, US (184 mi / 296 km NE)
				SD62		Keystone [Borglum Heliport], South Dakota, US (184 mi / 296 km NE)
				9MT0		Fort Smith [Pale Morning Dun Ranch Airport], Montana, US (184 mi / 296 km N)
				WY56		Hulett [Pierce Ranch Airport], Wyoming, US (184 mi / 296 km NE)
				SD42		Keystone [Rushmore Heliport], South Dakota, US (184 mi / 296 km NE)
				57CO		Fort Collins [Banner Fort Collins Medical Center Heliport], Colorado, US (184 mi / 296 km SE)
				25NE		Melbeta [Corr Airport], Nebraska, US (184 mi / 296 km SE)
				65CO		Fort Collins [WKR Airport], Colorado, US (185 mi / 298 km SE)
				WY19		Big Piney [Fish Creek Ranch Airport], Wyoming, US (185 mi / 298 km W)
				3NE2		Hemingford [Phillips Airport (Private)], Nebraska, US (186 mi / 300 km E)
				SD91		Spearfish [Star Aviation Number 1 Heliport], South Dakota, US (186 mi / 300 km NE)
KCDR		CDR		CDR		Chadron [Muni], Nebraska, US (187 mi / 301 km E)
				SD90		Spearfish [Mitchells Strip], South Dakota, US (187 mi / 302 km NE)