ICAO		IATA		Other		Location
				9WY0		Sheridan [Sheridan Memorial Hospital Heliport], Wyoming, US (163 mi / 262 km W)
				0NE1		Ashby [Runner Landing Area Airport], Nebraska, US (163 mi / 263 km SE)
				1SD7		Rosebud [Rosebud Comprehensive Health Care Facility Heliport], South Dakota, US (163 mi / 263 km SE)
KHAD				HAD		Casper [Harford Field], Wyoming, US (164 mi / 263 km SW)
				0NA9		Golva [Boyd's Turf Airport], North Dakota, US (164 mi / 264 km N)
				00WY		Casper [Mountain View Regional Hospital Heliport], Wyoming, US (164 mi / 264 km SW)
				Y71		Elgin [Muni], North Dakota, US (166 mi / 267 km NE)
				WY57		Casper [Wyoming Medical Center Heliport], Wyoming, US (167 mi / 269 km SW)
KAIA		AIA		AIA		Alliance [Muni], Nebraska, US (167 mi / 269 km S)
				WY47		Casper [True Heliport], Wyoming, US (168 mi / 270 km SW)
				10WY		Kaycee [Willow Creek Ranch Airport], Wyoming, US (168 mi / 270 km W)
KPIR		PIR		PIR		Pierre [Pierre Regional], South Dakota, US (170 mi / 274 km E)
				12NE		Scottsbluff [Reisig Brothers Airport], Nebraska, US (171 mi / 274 km S)
KCPR		CPR		CPR		Casper [Casper/Natrona County Intl], Wyoming, US (171 mi / 275 km SW)
				SD97		Vivian [Oller Airport], South Dakota, US (171 mi / 275 km E)
KEAN		EAN		EAN		Wheatland [Phifer Airfield], Wyoming, US (171 mi / 276 km S)
				WY58		Wheatland [Hilty Private Strip], Wyoming, US (171 mi / 276 km S)
				SD14		Draper [Valburg Ranch Airport], South Dakota, US (172 mi / 276 km E)
				NE41		Scottsbluff [Regional West Medical Center Heliport], Nebraska, US (172 mi / 277 km S)
				1MT5		Miles City [Holy Rosary Hospital Heliport], Montana, US (173 mi / 278 km NW)