ICAO		IATA		Other		Location
				CO86		Fort Collins [John Galt Heliport], Colorado, US (40 mi / 65 km N)
				5CO5		Carr [Black Hollow Heliport], Colorado, US (41 mi / 66 km N)
				9CO1		Littleton [Deer Creek Building Heliport], Colorado, US (41 mi / 66 km SW)
				CO17		Byers [Sky Haven Airport], Colorado, US (41 mi / 66 km SE)
				1CD1		Nunn [Reed Intl], Colorado, US (42 mi / 67 km N)
				3CO8		Estes Park [E P M C Heliport], Colorado, US (43 mi / 68 km NW)
				1CO3		Nunn [Bellmore Farms Airport], Colorado, US (43 mi / 69 km N)
				4CO1		Waterton [Lockheed Martin Heliport], Colorado, US (43 mi / 70 km S)
				CO52		Evergreen [Marshdale Airport], Colorado, US (44 mi / 70 km SW)
				48CO		Nunn [Shaull Farm Airstrip], Colorado, US (44 mi / 71 km N)
				70CO		Evergreen [Greystone Heliport], Colorado, US (44 mi / 71 km SW)
				8CO0		Wiggins [Kent Airport], Colorado, US (44 mi / 71 km E)
				2CD9		Laporte [Kellogg Airstrip], Colorado, US (45 mi / 72 km NW)
				6CO7		Byers [Happy Butt Airport], Colorado, US (45 mi / 73 km SE)
				CD40		Franktown [Hilltop Heliport], Colorado, US (46 mi / 74 km S)
				CD19		Idaho Springs [Arapahoe Heliport], Colorado, US (46 mi / 74 km SW)
				50CO		Castle Rock [Castle Rock Adventist Health Campus Heliport], Colorado, US (47 mi / 76 km S)
				CO67		Carr [Big View Airport], Colorado, US (47 mi / 76 km N)
				6CO1		Wellington [Burnham Field], Colorado, US (48 mi / 78 km N)
				CO96		Franktown [Reed Hollow Ranch Airport], Colorado, US (49 mi / 79 km S)