ICAO		IATA		Other		Location
KGRN		GRN		GRN		Gordon [Muni], Nebraska, US (88 mi / 142 km S)
				SD47		Eagle Butte [Hunt Field], South Dakota, US (89 mi / 143 km NE)
				60NE		Chadron [Chadron Community Hospital Heliport], Nebraska, US (91 mi / 146 km S)
				SD57		Pierre [W L Thompson Airport], South Dakota, US (91 mi / 146 km NE)
KCDR		CDR		CDR		Chadron [Muni], Nebraska, US (91 mi / 147 km S)
				0SD3		Hoover [Bledsoe Ranch Airport], South Dakota, US (91 mi / 147 km NW)
				9V5		Rushville [Modisett Airport], Nebraska, US (92 mi / 148 km S)
				7Q7		White River [Muni], South Dakota, US (92 mi / 148 km E)
				1SD0		Glad Valley [Dorsey Ranch Airport], South Dakota, US (93 mi / 150 km N)
KECS		ECS		ECS		Newcastle [Mondell Field], Wyoming, US (94 mi / 151 km W)
				6SD4		Edgemont [Xpoint Airport], South Dakota, US (96 mi / 155 km SW)
				4V6		Hay Springs [Muni], Nebraska, US (97 mi / 155 km S)
KSUO				SUO		Rosebud [Rosebud Sioux Tribal Airport], South Dakota, US (97 mi / 156 km SE)
				1SD7		Rosebud [Rosebud Comprehensive Health Care Facility Heliport], South Dakota, US (98 mi / 157 km SE)
				WY44		Mule Creek Junction [Robbers Roost Ranch Airport], Wyoming, US (100 mi / 161 km SW)
				6V5		Bison [Muni], South Dakota, US (100 mi / 161 km N)
				3Y7		Isabel [Muni], South Dakota, US (104 mi / 167 km NE)
				SD97		Vivian [Oller Airport], South Dakota, US (105 mi / 168 km E)
				SD14		Draper [Valburg Ranch Airport], South Dakota, US (105 mi / 169 km E)
				83V		Upton [Muni], Wyoming, US (109 mi / 176 km W)