ICAO		IATA		Other		Location
KBWW		BWM		BWW		Bowman [Bowman Regional], North Dakota, US (133 mi / 215 km NE)
KBHK				BHK		Baker [Muni], Montana, US (135 mi / 218 km N)
				SD07		Philip [Keystone Xl Philip Heliport], South Dakota, US (136 mi / 219 km E)
				WY27		Douglas [Wagonhound Airport], Wyoming, US (137 mi / 221 km SW)
				10WY		Kaycee [Willow Creek Ranch Airport], Wyoming, US (139 mi / 224 km SW)
				AGFO		Agate Fossil Beds National Monument [Agate Fossil Beds NM], Nebraska, US (139 mi / 224 km S)
KPHP		PHP		PHP		Philip, South Dakota, US (140 mi / 225 km E)
KHAD				HAD		Casper [Harford Field], Wyoming, US (140 mi / 225 km SW)
KHEI				HEI		Hettinger [Hettinger/JB Lindquist Regional], North Dakota, US (140 mi / 226 km NE)
				00WY		Casper [Mountain View Regional Hospital Heliport], Wyoming, US (141 mi / 228 km SW)
				WY57		Casper [Wyoming Medical Center Heliport], Wyoming, US (144 mi / 232 km SW)
				WY47		Casper [True Heliport], Wyoming, US (144 mi / 233 km SW)
				14ND		Reeder [Hagen Airport], North Dakota, US (145 mi / 233 km NE)
				1SD0		Glad Valley [Dorsey Ranch Airport], South Dakota, US (145 mi / 233 km NE)
				0SD7		Wanblee [Porch Ranch Airport], South Dakota, US (145 mi / 233 km SE)
				NA98		Scranton [Dilse Airstrip], North Dakota, US (145 mi / 233 km NE)
				4V6		Hay Springs [Muni], Nebraska, US (145 mi / 233 km SE)
KCPR		CPR		CPR		Casper [Casper/Natrona County Intl], Wyoming, US (146 mi / 235 km SW)
				WY25		Wheatland [Snell - North Laramie River Airport], Wyoming, US (146 mi / 236 km S)
				99WY		Dayton [Xingu Airstrip], Wyoming, US (146 mi / 236 km W)