ICAO		IATA		Other		Location
KBDU		WBU		BDU		Boulder [Muni], Colorado, US (29 mi / 47 km SW)
				1CO3		Nunn [Bellmore Farms Airport], Colorado, US (29 mi / 47 km N)
KDEN		DEN		DEN		Denver [Intl], Colorado, US (30 mi / 48 km S)
				CO45		Louisville [Adventhealth Avista Heliport], Colorado, US (30 mi / 49 km SW)
				CO41		Bennett [Campbells Airport], Colorado, US (30 mi / 49 km SE)
				48CO		Nunn [Shaull Farm Airstrip], Colorado, US (30 mi / 49 km N)
				CO10		Boulder [Lemons Private Strip], Colorado, US (31 mi / 50 km SW)
				CD22		Thornton [North Suburban Medical Center Heliport], Colorado, US (31 mi / 50 km S)
KBJC		BJC		BJC		Denver [Rocky Mountain Metro Airport], Colorado, US (31 mi / 51 km SW)
				CO32		Denver [Capri Heliport], Colorado, US (31 mi / 51 km S)
				4CO4		Westminster [St. Anthony North Heliport], Colorado, US (32 mi / 52 km SW)
				2CD9		Laporte [Kellogg Airstrip], Colorado, US (33 mi / 54 km NW)
				CO67		Carr [Big View Airport], Colorado, US (34 mi / 55 km N)
				74CO		Roggen [Westberg-Rosling Farms Airport], Colorado, US (34 mi / 55 km SE)
				CO01		Denver [General Mail Facility Heliport], Colorado, US (34 mi / 55 km S)
				CD00		Boulder [Emancipation Hill Heliport], Colorado, US (35 mi / 56 km SW)
				CD04		Westminster [S F Heliport], Colorado, US (35 mi / 56 km SW)
				6CO1		Wellington [Burnham Field], Colorado, US (35 mi / 57 km N)
				34CD		Allenspark [Elk Park Ranch Airport], Colorado, US (35 mi / 57 km W)
(KDEN)		(DEN)				Denver [Stapleton Intl], Colorado, US (36 mi / 57 km S)