| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Kucha | city | Sakhalinskaya Oblast' | Russia | 49.0333333 | 142.95 | 0 | 173 |
| Kuchaunnai | city | Sakhalinskaya Oblast' | Russia | 49.0333333 | 142.95 | 0 | 173 |
| Kulikovo | city | Sakhalinskaya Oblast' | Russia | 46.7666667 | 142.25 | 531 | 1446 |
| Kulilion | city | Sakhalinskaya Oblast' | Russia | 45.9594444 | 142.02 | 104 | 547 |
| Kungasnoye | city | Sakhalinskaya Oblast' | Russia | 48.0666667 | 142.2 | 9 | 268 |
| Kurashi | city | Sakhalinskaya Oblast' | Russia | 47.4833333 | 141.9666667 | 285 | 455 |
| Kurasi | city | Sakhalinskaya Oblast' | Russia | 47.4833333 | 141.9666667 | 285 | 455 |
| Kuratsushinonaipo | city | Sakhalinskaya Oblast' | Russia | 47.4833333 | 141.9666667 | 285 | 455 |
| Kurbatovo | city | Sakhalinskaya Oblast' | Russia | 50.8611111 | 156.475 | 85 | 53 |
| Kuresutoi | city | Sakhalinskaya Oblast' | Russia | 47.1833333 | 142.75 | 118 | 4504 |
| Kurganka | city | Sakhalinskaya Oblast' | Russia | 48 | 142.3166667 | 124 | 434 |
| Kurokawa | city | Sakhalinskaya Oblast' | Russia | 47.3166667 | 142.7 | 124 | 1036 |
| Kurskoye | city | Sakhalinskaya Oblast' | Russia | 47.05 | 142.6833333 | 190 | 17714 |
| Kurumisawa | city | Sakhalinskaya Oblast' | Russia | 48.9666667 | 142.25 | 318 | 537 |
| Kusano | city | Sakhalinskaya Oblast' | Russia | 47.0166667 | 142.7166667 | 124 | 19113 |
| Kushunai | city | Sakhalinskaya Oblast' | Russia | 47.9977778 | 142.2091667 | 269 | 359 |
| Kushunnai | city | Sakhalinskaya Oblast' | Russia | 47.9977778 | 142.2091667 | 269 | 359 |
| Kusunnai | city | Sakhalinskaya Oblast' | Russia | 47.9977778 | 142.2091667 | 269 | 359 |
| Kusuyama | city | Sakhalinskaya Oblast' | Russia | 48.9833333 | 142.9 | 59 | 404 |
| Kusyunnai | city | Sakhalinskaya Oblast' | Russia | 47.9977778 | 142.2091667 | 269 | 359 |
| Kusyunnay | city | Sakhalinskaya Oblast' | Russia | 47.9977778 | 142.2091667 | 269 | 359 |
| Kutsya | city | Sakhalinskaya Oblast' | Russia | 49.0333333 | 142.95 | 0 | 173 |
| Kutya | city | Sakhalinskaya Oblast' | Russia | 49.0333333 | 142.95 | 0 | 173 |
| Kuznetsova | city | Sakhalinskaya Oblast' | Russia | 46.05 | 141.9166667 | 0 | 350 |
| Kuznetsovo | city | Sakhalinskaya Oblast' | Russia | 46.05 | 141.9166667 | 0 | 350 |
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