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- (Xhariep District Municipality) Klipkuil
- (Xhariep District Municipality) Kromspruit
- (Xhariep District Municipality) Kroonspruit
- (Xhariep District Municipality) Krugersdeel
- (Xhariep District Municipality) Krugersrus
- (Xhariep District Municipality) Krugersvlei
- (Xhariep District Municipality) Kruidfontein
- (Thabo Mofutsanyana District Municipality) Kruispad
- (Xhariep District Municipality) Kuruman
- (Xhariep District Municipality) Kut-el-mara
- (Mangaung Metropolitan Municipality) Kwaggafontein
- (Mangaung Metropolitan Municipality) Kwestiefontein
- (Xhariep District Municipality) Koudekraal
- (Xhariep District Municipality) Kliphuis
- (Xhariep District Municipality) Klipplaatdrif
- (Xhariep District Municipality) Klopperspruit
- (Xhariep District Municipality) Knoffelspruit
- (Xhariep District Municipality) Knoppiesfontein
- (Lejweleputswa District Municipality) Koetsrus
- (Mangaung Metropolitan Municipality) Kolbe
- (Thabo Mofutsanyana District Municipality) Kommandant
- (Lejweleputswa District Municipality) Kommandodrif
- (Xhariep District Municipality) Kommetjesfontein
- (Mangaung Metropolitan Municipality) Kommissiedrif
- (Thabo Mofutsanyana District Municipality) Kommissiepoort
- (Thabo Mofutsanyana District Municipality) Koornland
- (Xhariep District Municipality) Koppie
- (Xhariep District Municipality) Koppie Alleen
- (Xhariep District Municipality) Koppie Alleen
- (Mangaung Metropolitan Municipality) Koppieskraal