ICAO		IATA		Other		Location
				0SD3		Hoover [Bledsoe Ranch Airport], South Dakota, US (150 mi / 242 km SE)
KEFC				EFC		Belle Fourche [Muni], South Dakota, US (152 mi / 244 km SE)
				WY55		Sundance [Taylor Field], Wyoming, US (152 mi / 245 km SE)
				7ND1		Dickinson [Wolberg's Airport (Private)], North Dakota, US (152 mi / 245 km E)
				01WY		Moorcroft [Keyhole Airport], Wyoming, US (153 mi / 246 km S)
				50MT		Laurel [Fly WM Airport], Montana, US (154 mi / 248 km W)
				ND05		Watford City [MCHS Hospital Heliport], North Dakota, US (154 mi / 248 km NE)
				S25		Watford City [Muni], North Dakota, US (154 mi / 248 km NE)
				0MT5		Laurel [Cottonwood Airport], Montana, US (155 mi / 249 km W)
KHEI				HEI		Hettinger [Hettinger/JB Lindquist Regional], North Dakota, US (156 mi / 251 km E)
				MT79		Roy [Sand Creek Wildlife Station Airport], Montana, US (157 mi / 252 km NW)
KISN		ISN		ISN		Williston [Sloulin Field Intl], North Dakota, US (159 mi / 256 km NE)
				9Y1		Killdeer [Dunn County Weydahl Field], North Dakota, US (160 mi / 257 km NE)
KXWA		XWA		XWA		Williston [Williston Basin Intl], North Dakota, US (160 mi / 257 km NE)
				4NA1		Williston [Ring Rock Ranch Airport], North Dakota, US (161 mi / 259 km NE)
				MT08		Zortman, Montana, US (161 mi / 259 km NW)
				55ND		Killdeer [Pete's Port Airport], North Dakota, US (162 mi / 260 km NE)
				8U0		Ryegate, Montana, US (163 mi / 262 km W)
				MT3		Winifred [Knox Ridge Airport], Montana, US (163 mi / 263 km NW)
				ND62		Taylor [Brands Airport], North Dakota, US (164 mi / 264 km E)