| Name of the place | CERL ID of a place | Country | Longitude | Latitude | |
|---|---|---|---|---|---|
| Kalbe | cnl00007916 | Germany | 11.4 | 52.6494444444444 | |
| Kalisch | cnl00029107 | — | — | — | |
| Kamen | cnl00022101 | Germany | 7.66666666666667 | 51.6 | |
| Kamenz | cnl00030742 | Germany | 14.0991666666667 | 51.27 | |
| Kampen | cnl00016314 | Netherlands | 5.92 | 52.55 | |
| Kapelle | — | Netherlands | 3.95 | 51.5 | |
| Kappel am Albis | cnl00028467 | Switzerland | — | — | |
| Karlovac | cnl00005359 | Croatia | 15.5555555555556 | 45.4930555555556 | |
| Karlovy Vary | cnl00008014 | Czech Republic | 12.89 | 50.2197222222222 | |
| Karlskrona | cnl00002886 | Sweden | 15.58661 | 56.16156 | |
| Karlsruhe | cnl00027004 | Germany | 8.39 | 49.0 | |
| Karlstadt | cnl00031757 | Germany | 9.76916666666667 | 49.96 | |
| Kassel | cnl00008051 | Germany | 9.5 | 51.32 | |
| Katwijk | cnl00000982 | Netherlands | 4.41666666666667 | 52.2 | |
| Katzenelnbogen | cnl00018060 | Germany | 7.983333 | 50.266667 | |
| Kaufbeuren | cnl00010528 | Germany | 10.6197222222222 | 47.88 | |
| Kayseri | cnl00017138 | Turkey | 35.467987 | 38.734802 | |
| Kehl | cnl00010539 | Germany | 7.82 | 48.5794444444444 | |
| Keith Hall (Aberdeenshire) | — | Scotland | — | — | |
| Kemnath | cnl00032180 | Germany | 11.883333 | 49.866667 | |
| Kempen | cnl00010550 | Germany | 6.41972222222222 | 51.3697222222222 | |
| Kempten | cnl00010551 | Germany | 10.32 | 47.7194444444444 | |
| Kendal (Westmoreland) | cnl00010552 | England | -2.75 | 54.32 | |
| Kensington | cnl00021273 | England | -0.190833333333333 | 51.5016666666667 | |
| Kent | cnl00029372 | England | — | — |