ICAO		IATA		Other		Location
				CBS7		Briercrest [Briercrest South Airport], Saskatchewan, CA (142 mi / 228 km N)
				ND05		Watford City [MCHS Hospital Heliport], North Dakota, US (145 mi / 233 km E)
				S25		Watford City [Muni], North Dakota, US (146 mi / 235 km E)
				80ND		Crosby [Troy Field], North Dakota, US (146 mi / 235 km E)
				9S7		Winifred, Montana, US (147 mi / 236 km W)
				36MT		Grass Range [16 Ranch Airport], Montana, US (148 mi / 237 km SW)
				CKK5		Eastend, Saskatchewan, CA (148 mi / 238 km NW)
				ND82		Ray [Y-Rock Airport], North Dakota, US (149 mi / 239 km E)
				19MT		Grass Range [N Bar Ranch Airport], Montana, US (151 mi / 242 km SW)
				D50		Crosby [Muni], North Dakota, US (151 mi / 242 km E)
				CKS6		Estevan [Bryant Airport], Saskatchewan, CA (152 mi / 244 km NE)
				0NA9		Golva [Boyd's Turf Airport], North Dakota, US (153 mi / 247 km SE)
KRPX		RPX		RPX		Roundup, Montana, US (154 mi / 248 km SW)
CYMJ		YMJ				Moose Jaw [CFB Moose Jaw (Moose Jaw/Air Vice Marshal C.M. McEwen Airport)], Saskatchewan, CA (156 mi / 251 km N)
				MT65		Lewistown [Smithfield Airport], Montana, US (158 mi / 254 km SW)
				THRO		Theodore Roosevelt National Park [Theodore Roosevelt NP], North Dakota, US (158 mi / 255 km SE)
KBHK				BHK		Baker [Muni], Montana, US (158 mi / 255 km SE)
				CJE3		Weyburn [Weyburn Airport], Saskatchewan, CA (159 mi / 255 km NE)
				M46		Colstrip, Montana, US (159 mi / 255 km S)
KHVR		HVR		HVR		Havre [Havre City-County Airport], Montana, US (159 mi / 256 km W)