ICAO		IATA		Other		Location
KEFC				EFC		Belle Fourche [Muni], South Dakota, US (166 mi / 268 km W)
				SD03		Winfred [Calico Field], South Dakota, US (167 mi / 269 km E)
				NE73		Ewing [Creekview Airport], Nebraska, US (167 mi / 270 km SE)
				NE32		Alliance [Box Butte General Hospital Med-I-Port Heliport], Nebraska, US (168 mi / 270 km SW)
				2E6		Groton [Muni], South Dakota, US (168 mi / 271 km NE)
				6L5		Wishek [Muni], North Dakota, US (168 mi / 271 km N)
				NE36		Anselmo [Werner Ranch Airfield], Nebraska, US (169 mi / 272 km S)
				3NE2		Hemingford [Phillips Airport (Private)], Nebraska, US (169 mi / 272 km SW)
KBUB		BUB		BUB		Burwell [Cram Field], Nebraska, US (169 mi / 272 km SE)
KAIA		AIA		AIA		Alliance [Muni], Nebraska, US (169 mi / 272 km SW)
				5NE3		Stapleton [Diamond Bar Jones Airport], Nebraska, US (170 mi / 274 km S)
				80SD		Aberdeen [Comstock Field], South Dakota, US (170 mi / 274 km NE)
				6SD4		Edgemont [Xpoint Airport], South Dakota, US (170 mi / 274 km W)
				WY53		Four Corners [Moburg Aero Airport], Wyoming, US (172 mi / 276 km W)
KHEI				HEI		Hettinger [Hettinger/JB Lindquist Regional], North Dakota, US (172 mi / 277 km NW)
				NE51		Royal [Dennys Playground Airport], Nebraska, US (172 mi / 277 km SE)
				NE33		Arthur [Muni], Nebraska, US (173 mi / 278 km S)
				09K		Sargent [Muni], Nebraska, US (174 mi / 280 km SE)
				6K3		Creighton [Muni], Nebraska, US (175 mi / 281 km SE)
				40NE		Bartlett [Landgren Ranch Airport], Nebraska, US (175 mi / 282 km SE)