ICAO		IATA		Other		Location
				WY65		Gillette [Madsen Airport], Wyoming, US (64 mi / 103 km S)
				MT74		Ekalaka [Sikorski Ranch Airport], Montana, US (66 mi / 106 km N)
KGCC		GCC		GCC		Gillette [Northeast Wyoming Regional], Wyoming, US (68 mi / 109 km SW)
				3U4		Ashland [St. Labre Mission Airport], Montana, US (71 mi / 114 km W)
				WY21		Gillette [Campbell County Memorial Hospital Heliport], Wyoming, US (71 mi / 114 km SW)
				9D2		Buffalo [Harding County Airport], South Dakota, US (72 mi / 116 km E)
				SD91		Spearfish [Star Aviation Number 1 Heliport], South Dakota, US (75 mi / 121 km SE)
KSPF		SPF		SPF		Spearfish [Black Hills-Clyde Ice Field], South Dakota, US (76 mi / 122 km SE)
				SD90		Spearfish [Mitchells Strip], South Dakota, US (76 mi / 123 km SE)
				83V		Upton [Muni], Wyoming, US (80 mi / 128 km S)
				0SD3		Hoover [Bledsoe Ranch Airport], South Dakota, US (83 mi / 134 km E)
KBHK				BHK		Baker [Muni], Montana, US (84 mi / 135 km N)
				WY53		Four Corners [Moburg Aero Airport], Wyoming, US (88 mi / 141 km SE)
				3SD5		Lead [Dilligaf Heliport], South Dakota, US (89 mi / 143 km SE)
				2SD5		Sturgis [Sturgis Heliport], South Dakota, US (90 mi / 144 km SE)
				SD35		Sturgis [Bruch Airfield], South Dakota, US (90 mi / 145 km SE)
				SD26		Sturgis [Mike Jacob Sturgis Heliport], South Dakota, US (91 mi / 147 km SE)
				1MT5		Miles City [Holy Rosary Hospital Heliport], Montana, US (92 mi / 148 km NW)
				SD24		Sturgis [Eden Valley Airport], South Dakota, US (92 mi / 148 km SE)
				49B		Sturgis [Muni], South Dakota, US (94 mi / 151 km SE)