| Name of the place | CERL ID of a place | Country | Longitude | Latitude | |
|---|---|---|---|---|---|
| Warburg | cnl00008580 | Germany | 9.16972222222222 | 51.5 | |
| Waren (Müritz) | cnl00032857 | Germany | 12.6830555555556 | 53.5166666666667 | |
| Warkworth (Northumberland) | cnl00048684 | England | -1.611 | 55.345 | |
| Warmond | cnl00016348 | Netherlands | 4.5 | 52.1830555555556 | |
| Warrington | cnl00015257 | England | -2.6 | 53.39 | |
| Warsaw | cnl00026996 | Poland | 21.0 | 52.25 | |
| Warstade | cnl00030182 | Germany | 9.15 | 53.6894444444444 | |
| Warwick | cnl00001728 | England | -1.58305555555556 | 52.2830555555556 | |
| Warwickshire | cnl00020435 | England | — | — | |
| Washington (D.C.) | cnl00029299 | United States | -77.0366666666667 | 38.895 | |
| Wassenaar | cnl00032907 | Netherlands | 4.4 | 52.15 | |
| Wassy | cnl00024851 | France | — | — | |
| Wasungen | cnl00004500 | Germany | 10.3666666666667 | — | |
| Waterford | cnl00001536 | Ireland | -7.12916666666667 | 52.2566666666667 | |
| Watton-at-Stone | — | England | — | — | |
| Weert | cnl00016349 | — | 5.7 | 51.25 | |
| Weesp | cnl00016350 | Netherlands | 5.05 | 52.3 | |
| Weikersheim | cnl00030019 | Germany | 9.89916666666667 | 49.4816666666667 | |
| Weil der Stadt | cnl00032597 | Germany | 8.870556 | 48.750833 | |
| Weilheim in Oberbayern | cnl00031603 | Germany | 11.15 | 47.8291666666667 | |
| Weiltingen | cnl00039199 | — | 10.4502777777778 | 49.0386111111111 | |
| Weimar | cnl00006350 | Germany | 11.32 | 50.9791666666667 | |
| Weingarten | cnl00006790 | Germany | 9.63 | 47.7994444444444 | |
| Weißenfels | cnl00015349 | Germany | 11.97 | 51.2 | |
| Welles-Pérennes | cnl00022435 | France | 2.4839 | 49.6089 |