ICAO		IATA		Other		Location
				WY47		Casper [True Heliport], Wyoming, US (164 mi / 264 km SW)
				THRO		Theodore Roosevelt National Park [Theodore Roosevelt NP], North Dakota, US (165 mi / 265 km N)
				WY00		Ten Sleep [Red Reflet Ranch Airport], Wyoming, US (165 mi / 266 km W)
KCPR		CPR		CPR		Casper [Casper/Natrona County Intl], Wyoming, US (165 mi / 266 km SW)
				WY25		Wheatland [Snell - North Laramie River Airport], Wyoming, US (165 mi / 266 km S)
				Y71		Elgin [Muni], North Dakota, US (165 mi / 266 km NE)
KGUR				GUR		Guernsey [Camp Guernsey Airport], Wyoming, US (167 mi / 268 km S)
				3NE2		Hemingford [Phillips Airport (Private)], Nebraska, US (167 mi / 269 km S)
				SD57		Pierre [W L Thompson Airport], South Dakota, US (169 mi / 273 km E)
				0SD0		Glencross [Lenling Airport], South Dakota, US (170 mi / 274 km E)
				LIBI		Little Bighorn Battlefield National Monument [Little Bighorn Battlefield NM], Montana, US (171 mi / 275 km NW)
				SD36		Ridgeview [Booth Ranch Airport], South Dakota, US (172 mi / 276 km E)
				57NE		Merriman [Cole Memorial Airport], Nebraska, US (172 mi / 277 km SE)
				45WY		Casper [American Falconry Airport], Wyoming, US (174 mi / 279 km SW)
				ND62		Taylor [Brands Airport], North Dakota, US (174 mi / 280 km NE)
				WY38		Ten Sleep [Orchard Ranch Airport], Wyoming, US (175 mi / 282 km SW)
KGDV		GDV		GDV		Glendive [Dawson Community Airport], Montana, US (175 mi / 282 km N)
				33NE		Hay Springs [Orr Ranch Airport], Nebraska, US (175 mi / 282 km SE)
				ND10		Dickinson [Kadrmas Airport], North Dakota, US (176 mi / 283 km N)
				WY26		Torrington [Community Hospital Heliport], Wyoming, US (176 mi / 284 km S)