ICAO		IATA		Other		Location
				ND10		Dickinson [Kadrmas Airport], North Dakota, US (150 mi / 242 km E)
KEFC				EFC		Belle Fourche [Muni], South Dakota, US (150 mi / 242 km SE)
				19MT		Grass Range [N Bar Ranch Airport], Montana, US (150 mi / 242 km W)
				01WY		Moorcroft [Keyhole Airport], Wyoming, US (151 mi / 243 km S)
				7ND1		Dickinson [Wolberg's Airport (Private)], North Dakota, US (153 mi / 246 km E)
				50MT		Laurel [Fly WM Airport], Montana, US (154 mi / 247 km W)
				0MT5		Laurel [Cottonwood Airport], Montana, US (154 mi / 248 km W)
				ND05		Watford City [MCHS Hospital Heliport], North Dakota, US (155 mi / 249 km NE)
KHEI				HEI		Hettinger [Hettinger/JB Lindquist Regional], North Dakota, US (155 mi / 250 km E)
				S25		Watford City [Muni], North Dakota, US (155 mi / 250 km NE)
				MT79		Roy [Sand Creek Wildlife Station Airport], Montana, US (158 mi / 254 km NW)
KISN		ISN		ISN		Williston [Sloulin Field Intl], North Dakota, US (160 mi / 258 km NE)
				9Y1		Killdeer [Dunn County Weydahl Field], North Dakota, US (160 mi / 258 km NE)
KXWA		XWA		XWA		Williston [Williston Basin Intl], North Dakota, US (161 mi / 259 km NE)
				55ND		Killdeer [Pete's Port Airport], North Dakota, US (162 mi / 261 km NE)
				4NA1		Williston [Ring Rock Ranch Airport], North Dakota, US (162 mi / 261 km NE)
				WY23		Sussex [Iberlin Strip], Wyoming, US (163 mi / 262 km S)
				MT08		Zortman, Montana, US (163 mi / 262 km NW)
				U68		Cowley/Lovell/Byron [North Big Horn County Airport], Wyoming, US (163 mi / 262 km SW)
				8U0		Ryegate, Montana, US (163 mi / 263 km W)