ICAO		IATA		Other		Location
				50CO		Castle Rock [Castle Rock Adventist Health Campus Heliport], Colorado, US (27 mi / 43 km SE)
				CO23		Longmont [Ashlawn Airport], Colorado, US (27 mi / 43 km N)
				CD24		Castle Rock [Red Canyon Ranch Heliport], Colorado, US (27 mi / 44 km S)
				8CO7		Niwot [Colorado Antique Field], Colorado, US (27 mi / 44 km N)
KDEN		DEN		DEN		Denver [Intl], Colorado, US (27 mi / 44 km E)
				CO58		Firestone [Wings N Things Airpark & Museum], Colorado, US (28 mi / 45 km N)
				CO09		Fort Lupton [Halliburton Office Heliport], Colorado, US (29 mi / 46 km NE)
				CO57		Firestone [Rhoads Heliport], Colorado, US (29 mi / 46 km N)
				CO68		Frederick [Frederick-Firestone F S #2 Heliport], Colorado, US (29 mi / 46 km N)
				1CD0		Longmont [Murphy Heliport], Colorado, US (30 mi / 48 km N)
				CO12		Brighton [Van Aire Airport], Colorado, US (30 mi / 48 km NE)
				1CO8		Parker [Everitt Airport], Colorado, US (30 mi / 48 km SE)
KLMO				LMO		Longmont [Vance Brand Airport], Colorado, US (30 mi / 48 km N)
				0CO0		Longmont [Longmont United Hospital Heliport], Colorado, US (31 mi / 50 km N)
				84CO		Castle Rock [Rampart Heliport], Colorado, US (31 mi / 50 km SE)
				0CD4		Denver [Kauffman Heliport], Colorado, US (32 mi / 52 km NE)
				CD37		Empire [Berthoud Pass Heliport], Colorado, US (33 mi / 53 km W)
				CO96		Franktown [Reed Hollow Ranch Airport], Colorado, US (33 mi / 53 km SE)
KCFO				CFO		Denver [Colorado Air and Space Port Airport], Colorado, US (33 mi / 53 km E)
				CD40		Franktown [Hilltop Heliport], Colorado, US (34 mi / 54 km SE)