ICAO		IATA		Other		Location
				CO10		Boulder [Lemons Private Strip], Colorado, US (31 mi / 49 km W)
				85CO		Niwot [Anderson Heliport], Colorado, US (31 mi / 50 km NW)
				24CO		Boulder [Building 910 Heliport], Colorado, US (32 mi / 51 km NW)
KBDU		WBU		BDU		Boulder [Muni], Colorado, US (32 mi / 51 km NW)
				1CO1		Morrison [Mount Morrison Heliport], Colorado, US (32 mi / 51 km SW)
				8CO7		Niwot [Colorado Antique Field], Colorado, US (32 mi / 52 km NW)
				CO70		La Salle [Bigfoot Turf Airport], Colorado, US (32 mi / 52 km N)
				11V		Greeley [Easton Airport (Valley View)], Colorado, US (32 mi / 52 km N)
				2CO6		Littleton [Manor House Heliport], Colorado, US (33 mi / 52 km SW)
				0CO0		Longmont [Longmont United Hospital Heliport], Colorado, US (33 mi / 52 km NW)
				9CO7		Kersey [Devoe Airport], Colorado, US (33 mi / 53 km N)
				2CD6		Elizabeth [Yukon Airport], Colorado, US (33 mi / 53 km S)
KLMO				LMO		Longmont [Vance Brand Airport], Colorado, US (33 mi / 54 km NW)
				50CO		Castle Rock [Castle Rock Adventist Health Campus Heliport], Colorado, US (33 mi / 54 km S)
				9CO1		Littleton [Deer Creek Building Heliport], Colorado, US (34 mi / 54 km SW)
				7CO7		Johnstown [Frontier Helicopters Heliport], Colorado, US (34 mi / 55 km N)
				4CO1		Waterton [Lockheed Martin Heliport], Colorado, US (34 mi / 55 km SW)
				CO96		Franktown [Reed Hollow Ranch Airport], Colorado, US (34 mi / 55 km S)
				17CO		Berthoud [Skylane Ranch Airport], Colorado, US (34 mi / 55 km NW)
				CO23		Longmont [Ashlawn Airport], Colorado, US (34 mi / 55 km NW)