ICAO		IATA		Other		Location
		CTK		7G9		Canton [Muni], South Dakota, US (55 mi / 89 km SE)
				SD96		Viborg [Pioneer Memorial Hospital Heliport], South Dakota, US (57 mi / 92 km S)
				SD2		Gary [Lake Cochrane SPB], South Dakota, US (58 mi / 93 km NE)
				15SD		Watertown [Brownlee Heliport], South Dakota, US (60 mi / 97 km N)
KRRQ				RRQ		Rock Rapids [Muni], Iowa, US (61 mi / 97 km SE)
KHON		HON		HON		Huron [Huron Regional], South Dakota, US (61 mi / 98 km NW)
				SD55		Huron [Winter Airfield], South Dakota, US (61 mi / 99 km W)
				2SD4		Mount Vernon [Nicolaisen Airport], South Dakota, US (62 mi / 99 km W)
				8V3		Parkston [Muni], South Dakota, US (62 mi / 99 km SW)
				IA39		Rock Rapids [Merrill Pioneer Community Hospital Heliport], Iowa, US (62 mi / 100 km SE)
				5IA8		Rock Rapids [Sanford Rock Rapids Medical Center Heliport], Iowa, US (62 mi / 100 km SE)
				17SD		Gary [Stone's Conservation Airport], South Dakota, US (62 mi / 100 km NE)
				0SD2		Watertown [Prairie Lakes West Heliport], South Dakota, US (62 mi / 100 km N)
KATY		ATY		ATY		Watertown [Watertown Regional], South Dakota, US (63 mi / 101 km N)
				00SD		Gary [Homan Field], South Dakota, US (63 mi / 102 km NE)
				91MN		Canby [Sanford Canby Medical Center Heliport], Minnesota, US (64 mi / 102 km NE)
KCNB				CNB		Canby [Myers Field], Minnesota, US (65 mi / 105 km NE)
				1SD1		Scotland [Burke Field], South Dakota, US (66 mi / 106 km SW)
KDVP				DVP		Slayton [Muni], Minnesota, US (66 mi / 107 km E)
				8D7		Clark [Clark County Airport], South Dakota, US (68 mi / 109 km NW)