ICAO		IATA		Other		Location
				SD18		Rapid City [Keystone Heliport], South Dakota, US (188 mi / 303 km E)
				8U6		Terry, Montana, US (188 mi / 303 km NE)
				GC0067		Keystone [Mt. Rushmore Helipad], South Dakota, US (188 mi / 303 km E)
				8U1		Sand Springs [Sand Springs Strip], Montana, US (189 mi / 304 km N)
				23WY		Jackson [St. John's Medical Center Heliport], Wyoming, US (189 mi / 304 km W)
				SD62		Keystone [Borglum Heliport], South Dakota, US (189 mi / 305 km E)
				WY43		Jackson [Wyoming Game and Fish Heliport], Wyoming, US (189 mi / 305 km W)
				SD70		Keystone [Rushmore Heliport], South Dakota, US (189 mi / 305 km E)
				WY33		Daniel [Mountain King Ranch Airport], Wyoming, US (190 mi / 305 km SW)
				SD42		Keystone [Rushmore Heliport], South Dakota, US (190 mi / 305 km E)
				19MT		Grass Range [N Bar Ranch Airport], Montana, US (190 mi / 306 km NW)
				18WY		Jackson [Teton County Search & Rescue Heliport], Wyoming, US (191 mi / 307 km W)
KGUR				GUR		Guernsey [Camp Guernsey Airport], Wyoming, US (191 mi / 308 km SE)
				WY31		Jackson [Melody Ranch Airport], Wyoming, US (192 mi / 309 km W)
				WICA		Wind Cave National Park [Wind Cave NP], South Dakota, US (193 mi / 310 km E)
KBPI		BPI		BPI		Big Piney [Miley Memorial Field], Wyoming, US (193 mi / 310 km SW)
				04MT		Cohagen [Pluhar Airport], Montana, US (193 mi / 311 km N)
KHWQ				HWQ		Harlowton [Wheatland County Airport at Harlowton], Montana, US (193 mi / 311 km NW)
				SD27		Hot Springs [Black Hills Flyway Airport], South Dakota, US (194 mi / 312 km E)
				WY58		Wheatland [Hilty Private Strip], Wyoming, US (194 mi / 312 km SE)