ICAO		IATA		Other		Location
KAIA		AIA		AIA		Alliance [Muni], Nebraska, US (158 mi / 255 km E)
				CD20		Loveland [Sprague Airport], Colorado, US (158 mi / 255 km S)
				CD81		Walden [Owl Ridge Heliport], Colorado, US (159 mi / 257 km S)
				11WY		Hulett [Thompson Creek Oilfield Airport], Wyoming, US (160 mi / 257 km N)
				13CO		Steamboat Springs [Mann Heliport], Colorado, US (161 mi / 258 km S)
				2SD5		Sturgis [Sturgis Heliport], South Dakota, US (161 mi / 260 km NE)
				2CO0		Fort Collins [Heli-One American Support, LLC Heliport], Colorado, US (162 mi / 260 km SW)
KFNL		FNL		FNL		Fort Collins/Loveland [Northern Colorado Regional], Colorado, US (162 mi / 261 km S)
				SD25		Piedmont [Infinity Landing Airport], South Dakota, US (162 mi / 261 km NE)
				CO59		Galeton [Hay Fever Farm Airport], Colorado, US (163 mi / 263 km SE)
KRAP		RAP		RAP		Rapid City [Rapid City Regional], South Dakota, US (163 mi / 263 km NE)
				8CO2		Briggsdale [William Leon Schawo Airport], Colorado, US (164 mi / 263 km SE)
KSBS		SBS		SBS		Steamboat Springs [Steamboat Springs/Bob Adams Field], Colorado, US (164 mi / 263 km S)
				3CO8		Estes Park [E P M C Heliport], Colorado, US (164 mi / 263 km S)
				4SD4		Rapid City [Dan's Airport], South Dakota, US (164 mi / 263 km NE)
				67CO		Bracewell [Highline Farm Airstrip], Colorado, US (164 mi / 264 km S)
				CO48		Eaton [Crop Air Airport], Colorado, US (164 mi / 264 km S)
				SD26		Sturgis [Mike Jacob Sturgis Heliport], South Dakota, US (164 mi / 264 km NE)
				33NE		Hay Springs [Orr Ranch Airport], Nebraska, US (164 mi / 264 km E)
				99WY		Dayton [Xingu Airstrip], Wyoming, US (164 mi / 264 km NW)