ICAO		IATA		Other		Location
KBDU		WBU		BDU		Boulder [Muni], Colorado, US (31 mi / 51 km NW)
				CO41		Bennett [Campbells Airport], Colorado, US (32 mi / 51 km NE)
				CO07		Blackhawk [Athanasiou Valley Airport], Colorado, US (32 mi / 51 km NW)
				9CO6		Elizabeth [D Bar D Airport], Colorado, US (32 mi / 51 km SE)
				4CO7		Elbert [Ambrosich Field], Colorado, US (32 mi / 52 km SE)
				CO58		Firestone [Wings N Things Airpark & Museum], Colorado, US (32 mi / 52 km N)
				24CO		Boulder [Building 910 Heliport], Colorado, US (33 mi / 53 km NW)
				CO36		Kiowa [Elbert County Heliport], Colorado, US (33 mi / 53 km SE)
				CO57		Firestone [Rhoads Heliport], Colorado, US (33 mi / 53 km N)
				CO15		Elbert [Kelly Air Park], Colorado, US (33 mi / 53 km SE)
				96CO		Bennet [Logan Airport], Colorado, US (33 mi / 53 km NE)
				22CO		Brighton [Flying E Airport], Colorado, US (33 mi / 53 km NE)
				CO68		Frederick [Frederick-Firestone F S #2 Heliport], Colorado, US (33 mi / 54 km N)
				CO97		Strasburg [Comanche Springs Ranch Airport], Colorado, US (34 mi / 54 km E)
				CO56		Keenesburg [JJS Airport], Colorado, US (34 mi / 55 km NE)
				CO38		Strasburg [Comanche Airfield Llc], Colorado, US (35 mi / 56 km E)
				18V		Hudson [Platte Valley Airpark], Colorado, US (35 mi / 56 km N)
				85CO		Niwot [Anderson Heliport], Colorado, US (35 mi / 56 km N)
				1CD0		Longmont [Murphy Heliport], Colorado, US (35 mi / 56 km N)
				0CD4		Denver [Kauffman Heliport], Colorado, US (35 mi / 57 km N)