| Name | Country | City | Class |
|---|---|---|---|
| Kirov | Russia | Kirov | 0 |
| Kopengagen | Dania | 0 | |
| Kostroma | Russia | Kostroma | 0 |
| Krasnoborsk | Russia | ||
| Krasnodar | Russia | Krasnodar | 4 |
| Krasnoiarsk | Russia | Krasnoyarsk | 0 |
| Kuibyshev | 0 | ||
| Kurchatov | 0 | ||
| Kurgan | Russia | Kurgan | 0 |
| Kurmanaevka | Russia | ||
| Kursk | Russia | Kursk | 0 |
| Lavrovka | Russia | 0 | |
| Leningrad | Russia | Leningrad | 0 |
| Mirogoshcha | Ukraine | 0 | |
| Molochansk | 0 |