ICAO		IATA		Other		Location
				CD19		Idaho Springs [Arapahoe Heliport], Colorado, US (30 mi / 48 km SW)
				21CO		Aurora [Southlands Ed Heliport], Colorado, US (30 mi / 49 km SE)
				2CO3		Milliken [Jackrabbit Strip], Colorado, US (31 mi / 49 km N)
				CO41		Bennett [Campbells Airport], Colorado, US (31 mi / 50 km E)
				CD53		Lone Tree [Sky Ridge Medical Center Heliport], Colorado, US (31 mi / 50 km S)
				7CO5		Aurora [Saddle Rock ER Heliport], Colorado, US (31 mi / 50 km SE)
				CO56		Keenesburg [JJS Airport], Colorado, US (31 mi / 50 km E)
				4CO1		Waterton [Lockheed Martin Heliport], Colorado, US (31 mi / 51 km S)
				5CO2		Loveland [McKee Medical Center Heliport], Colorado, US (32 mi / 51 km N)
				CD31		Parker [Parker Adventist Hospital Heliport], Colorado, US (32 mi / 51 km SE)
				2CD2		Loveland [Medical Center of The Rockies Heliport], Colorado, US (32 mi / 52 km N)
				CD14		Bennett [J & S Airport], Colorado, US (34 mi / 54 km E)
				CO04		Keenesburg [Denning Airport], Colorado, US (34 mi / 55 km E)
				76CO		Bennett [Hoy Airstrip], Colorado, US (34 mi / 55 km E)
KFNL		FNL		FNL		Fort Collins/Loveland [Northern Colorado Regional], Colorado, US (34 mi / 55 km N)
				CO70		La Salle [Bigfoot Turf Airport], Colorado, US (35 mi / 56 km NE)
				CO60		Keenesburg [Horseshoe Landings Airport], Colorado, US (35 mi / 56 km E)
				11V		Greeley [Easton Airport (Valley View)], Colorado, US (35 mi / 56 km NE)
				CD09		Bennett [Yoder Airstrip], Colorado, US (35 mi / 57 km E)
				9CO2		Watkins [Van Slyke Field], Colorado, US (35 mi / 57 km SE)