| Name of the place | CERL ID of a place | Country | Longitude | Latitude | |
|---|---|---|---|---|---|
| Kessel (Noord-Brabant) | cnl00050752 | Netherlands | 5.404167 | 51.803611 | |
| Keswick | cnl00022777 | England | — | — | |
| Kettering | cnl00029916 | England | — | — | |
| Ketton (Rutland) | — | England | — | — | |
| Kevelaer | cnl00035407 | Germany | 6.24583333333333 | 51.5822222222222 | |
| Khwarazm | — | Uzbekistan | 60.36389 | 41.37833 | |
| Kibworth Harcourt | cnl00039289 | England | -0.994722222222222 | 52.5441666666667 | |
| Kibworth-Harcourt | cnl00021181 | England | -0.983333333333333 | 52.5333333333333 | |
| Kidderminster | cnl00000746 | England | -2.24 | 52.2317 | |
| Kiel | cnl00010570 | Germany | 10.13 | 54.33 | |
| Kildare | cnl00042956 | Ireland | — | — | |
| Kilkenny | cnl00010573 | Ireland | -7.25 | 52.65 | |
| Killaloe | cnl00019031 | — | — | — | |
| Killearn (Stirlingshire) | cnl00050671 | Scotland | -4.368 | 56.042 | |
| Kilmarnock | cnl00026674 | — | -4.5 | 55.6166666666667 | |
| Kilwinning | cnl00026677 | Scotland | -4.7 | 55.6497222222222 | |
| King's Cliffe | — | England | — | — | |
| King's Lynn | cnl00010578 | England | 0.38 | 52.75 | |
| Kingsclere | — | England | -1.2442 | 51.326 | |
| Kingston (Jamaica) | cnl00000719 | Jamaica | -76.7997222222222 | 18.0166666666667 | |
| Kingston-upon-Thames | cnl00004069 | England | — | — | |
| Kington St Michael | — | England | — | — | |
| Kinnaird (Perthshire) | cnl00021945 | Scotland | -3.231087 | 56.44346 | |
| Kinsale | cnl00037570 | Ireland | -8.53055555555556 | 51.7075 | |
| Kirchhain | cnl00022474 | Germany | 8.916667 | 50.816667 |