ICAO		IATA		Other		Location
				SD07		Philip [Keystone Xl Philip Heliport], South Dakota, US (90 mi / 145 km E)
				22WY		Rozet [Kissack/Reynolds Airport], Wyoming, US (90 mi / 146 km W)
				4V6		Hay Springs [Muni], Nebraska, US (91 mi / 147 km SE)
KLSK		LSK		LSK		Lusk [Muni], Wyoming, US (91 mi / 147 km SW)
				10SD		Wanblee [Wanblee Health Center Heliport], South Dakota, US (93 mi / 149 km E)
				WY56		Hulett [Pierce Ranch Airport], Wyoming, US (93 mi / 150 km NW)
KPHP		PHP		PHP		Philip, South Dakota, US (94 mi / 151 km E)
				9V5		Rushville [Modisett Airport], Nebraska, US (94 mi / 151 km SE)
				0SD3		Hoover [Bledsoe Ranch Airport], South Dakota, US (97 mi / 156 km N)
				5V8		Kadoka [Muni], South Dakota, US (98 mi / 158 km E)
KGRN		GRN		GRN		Gordon [Muni], Nebraska, US (98 mi / 158 km SE)
				WY65		Gillette [Madsen Airport], Wyoming, US (99 mi / 159 km W)
				SD48		Faith [Blomberg 42 Ranch Airport (Private)], South Dakota, US (100 mi / 160 km NE)
				9V6		Martin [Muni], South Dakota, US (101 mi / 162 km SE)
				AGFO		Agate Fossil Beds National Monument [Agate Fossil Beds NM], Nebraska, US (102 mi / 164 km S)
				11WY		Hulett [Thompson Creek Oilfield Airport], Wyoming, US (102 mi / 164 km NW)
				WY21		Gillette [Campbell County Memorial Hospital Heliport], Wyoming, US (106 mi / 171 km W)
				D07		Faith [Muni], South Dakota, US (107 mi / 172 km NE)
				MT50		Alzada [Lanning Ranch Airport], Montana, US (107 mi / 172 km NW)
				3NE2		Hemingford [Phillips Airport (Private)], Nebraska, US (108 mi / 174 km S)