ICAO		IATA		Other		Location
				5CO5		Carr [Black Hollow Heliport], Colorado, US (161 mi / 260 km S)
				49B		Sturgis [Muni], South Dakota, US (162 mi / 260 km NE)
				24CD		Walden [Michigan River Ranch Heliport], Colorado, US (162 mi / 260 km S)
KRCA		RCA		RCA		Rapid City [Ellsworth AFB], South Dakota, US (162 mi / 261 km NE)
				CO86		Fort Collins [John Galt Heliport], Colorado, US (162 mi / 261 km S)
				SD24		Sturgis [Eden Valley Airport], South Dakota, US (162 mi / 261 km NE)
KIBM				IBM		Kimball [Muni/Robert E Arraj Field], Nebraska, US (163 mi / 262 km SE)
				CO53		Fort Collins [Yankee Field], Colorado, US (163 mi / 262 km S)
				CO55		Fort Collins [Christman Field], Colorado, US (163 mi / 263 km S)
				SD35		Sturgis [Bruch Airfield], South Dakota, US (164 mi / 265 km NE)
				CD46		Fort Collins [North Arrow Heliport], Colorado, US (165 mi / 266 km S)
				1M6		Ashland [Stevens Ranch Airport], Montana, US (165 mi / 266 km N)
				0CO7		Fort Collins [Century Helicopters Heliport], Colorado, US (166 mi / 266 km S)
KAIA		AIA		AIA		Alliance [Muni], Nebraska, US (166 mi / 267 km E)
				12WY		Burlington [Black Diamond Airport], Wyoming, US (166 mi / 267 km NW)
				CD07		Fort Collins [Poudre Valley Hospital Heliport], Colorado, US (166 mi / 268 km S)
				3SD2		Box Elder [Kauer Airport (Private)], South Dakota, US (167 mi / 269 km NE)
				3SD3		Scenic [Brown Field], South Dakota, US (169 mi / 272 km NE)
KIEN		XPR		IEN		Pine Ridge, South Dakota, US (169 mi / 272 km E)
				(MT59)		Hammond [Gardner Airport], Montana, US (170 mi / 274 km N)