ICAO		IATA		Other		Location
				CD00		Boulder [Emancipation Hill Heliport], Colorado, US (8 mi / 13 km NE)
				CO07		Blackhawk [Athanasiou Valley Airport], Colorado, US (10 mi / 16 km S)
				CO10		Boulder [Lemons Private Strip], Colorado, US (15 mi / 24 km E)
KBDU		WBU		BDU		Boulder [Muni], Colorado, US (15 mi / 24 km E)
				CO23		Longmont [Ashlawn Airport], Colorado, US (16 mi / 26 km NE)
				24CO		Boulder [Building 910 Heliport], Colorado, US (16 mi / 26 km E)
				34CD		Allenspark [Elk Park Ranch Airport], Colorado, US (18 mi / 30 km N)
				CO45		Louisville [Adventhealth Avista Heliport], Colorado, US (19 mi / 30 km E)
				8CO7		Niwot [Colorado Antique Field], Colorado, US (19 mi / 31 km NE)
				85CO		Niwot [Anderson Heliport], Colorado, US (20 mi / 31 km NE)
				CD37		Empire [Berthoud Pass Heliport], Colorado, US (20 mi / 32 km SW)
				0CO1		Louisville [Dave's Airport], Colorado, US (20 mi / 32 km E)
KLMO				LMO		Longmont [Vance Brand Airport], Colorado, US (21 mi / 34 km NE)
KBJC		BJC		BJC		Denver [Rocky Mountain Metro Airport], Colorado, US (21 mi / 34 km E)
				CD19		Idaho Springs [Arapahoe Heliport], Colorado, US (21 mi / 34 km S)
				0CD6		Lafayette [Exempla Good Samaritan Heliport], Colorado, US (22 mi / 35 km E)
				0CD7		Lafayette [Fox Hole Airport], Colorado, US (23 mi / 37 km E)
KGNB				GNB		Granby [Granby-Grand County Airport], Colorado, US (23 mi / 37 km W)
				51CO		Granby [Kremmling Memorial Hospital Heliport], Colorado, US (23 mi / 37 km W)
				0CO0		Longmont [Longmont United Hospital Heliport], Colorado, US (24 mi / 38 km NE)