ICAO		IATA		Other		Location
				SD21		Hayes [Hayes Emergency Airstrip], South Dakota, US (146 mi / 234 km SE)
				7G2		McClusky [Muni], North Dakota, US (146 mi / 235 km NE)
				89ND		Minot [Poleschook Airport], North Dakota, US (147 mi / 236 km NE)
				1MT5		Miles City [Holy Rosary Hospital Heliport], Montana, US (148 mi / 237 km W)
				5B5		Napoleon [Muni], North Dakota, US (148 mi / 238 km E)
				SD07		Philip [Keystone Xl Philip Heliport], South Dakota, US (149 mi / 240 km S)
				MT29		Miles City [Sunday Creek Airpark], Montana, US (150 mi / 241 km W)
				70ND		Sawyer [Oak Creek Airport], North Dakota, US (151 mi / 242 km NE)
KMLS		MLS		MLS		Miles City [Frank Wiley Field], Montana, US (151 mi / 242 km W)
				5ND0		Buford [Stiehl Airport], North Dakota, US (151 mi / 243 km N)
KPHP		PHP		PHP		Philip, South Dakota, US (151 mi / 243 km SE)
KISN		ISN		ISN		Williston [Sloulin Field Intl], North Dakota, US (151 mi / 244 km N)
				SD18		Rapid City [Keystone Heliport], South Dakota, US (152 mi / 244 km S)
				WY53		Four Corners [Moburg Aero Airport], Wyoming, US (152 mi / 244 km SW)
				3W8		Eureka [Muni], South Dakota, US (153 mi / 246 km E)
				SD42		Keystone [Rushmore Heliport], South Dakota, US (153 mi / 246 km S)
				7U8		Richey, Montana, US (153 mi / 246 km NW)
				SD62		Keystone [Borglum Heliport], South Dakota, US (153 mi / 247 km S)
				SD70		Keystone [Rushmore Heliport], South Dakota, US (154 mi / 247 km S)
				01WY		Moorcroft [Keyhole Airport], Wyoming, US (154 mi / 248 km SW)