ICAO		IATA		Other		Location
				SD07		Philip [Keystone Xl Philip Heliport], South Dakota, US (112 mi / 180 km E)
				WY01		Bill [Dilts Ranch Airport], Wyoming, US (114 mi / 183 km SW)
				MT74		Ekalaka [Sikorski Ranch Airport], Montana, US (115 mi / 185 km N)
KPHP		PHP		PHP		Philip, South Dakota, US (116 mi / 186 km E)
				1SD0		Glad Valley [Dorsey Ranch Airport], South Dakota, US (118 mi / 191 km NE)
				84WY		Douglas [Moore Ranch Airport], Wyoming, US (119 mi / 191 km SW)
KBWW		BWM		BWW		Bowman [Bowman Regional], North Dakota, US (119 mi / 191 km N)
KBPP				BPP		Bowman [Muni], North Dakota, US (119 mi / 192 km N)
KCDR		CDR		CDR		Chadron [Muni], Nebraska, US (120 mi / 193 km S)
KHEI				HEI		Hettinger [Hettinger/JB Lindquist Regional], North Dakota, US (120 mi / 194 km NE)
				WY07		Douglas [Hardy Ranch Airport], Wyoming, US (121 mi / 195 km SW)
KIEN		XPR		IEN		Pine Ridge, South Dakota, US (122 mi / 196 km SE)
				60NE		Chadron [Chadron Community Hospital Heliport], Nebraska, US (123 mi / 197 km S)
KLSK		LSK		LSK		Lusk [Muni], Wyoming, US (123 mi / 198 km S)
				WY23		Sussex [Iberlin Strip], Wyoming, US (123 mi / 198 km W)
				0SD7		Wanblee [Porch Ranch Airport], South Dakota, US (125 mi / 201 km SE)
				WY18		Midwest [Iberlin Ranch Number 2 Airport], Wyoming, US (125 mi / 201 km SW)
				1M6		Ashland [Stevens Ranch Airport], Montana, US (125 mi / 202 km NW)
				5V8		Kadoka [Muni], South Dakota, US (126 mi / 202 km E)
				10SD		Wanblee [Wanblee Health Center Heliport], South Dakota, US (127 mi / 204 km SE)