| Name of the place | CERL ID of a place | Country | Longitude | Latitude | |
|---|---|---|---|---|---|
| Whitehaven | cnl00003220 | England | -3.58305555555556 | 54.5494444444444 | |
| Wien | cnl00016260 | Austria | 16.37 | 48.21 | |
| Wien [non-CERL] | — | — | — | — | |
| Wiener Neustadt | cnl00009433 | Austria | 16.25 | 47.7997222222222 | |
| Wiesbaden | cnl00008289 | — | 8.25 | 50.0797222222222 | |
| Wigan | cnl00015479 | England | -2.62 | 53.53 | |
| Wigton | cnl00002195 | England | -3.15888888888889 | 54.8227777777778 | |
| Wijk bij Duurstede | cnl00033029 | Netherlands | 5.333333 | 51.983333 | |
| Wildervank | cnl00051371 | Netherlands | 6.86666666666667 | 53.0833333333333 | |
| Wildhaus | cnl00037867 | Switzerland | 9.35388888888889 | 47.2058333333333 | |
| Wilhermsdorf | cnl00006348 | Germany | 13.3166666666667 | 52.4830555555556 | |
| Williamsburg (Virginia) | cnl00015505 | United States | -76.7 | 37.27 | |
| Wilton | cnl00003419 | England | — | — | |
| Wiltshire | cnl00029569 | England | — | — | |
| Wimborne | cnl00015520 | England | -1.978 | 50.804 | |
| Wimpole (Cambridgeshire) | — | England | -0.046 | 52.14 | |
| Winchester | cnl00015524 | England | -1.32 | 51.02 | |
| Windesheim | cnl00016352 | Germany | 7.81666666666667 | 49.8994444444444 | |
| Windsor | cnl00015531 | England | -0.6 | 51.48 | |
| Windsor Castle | cnl00021829 | England | — | — | |
| Winestead | cnl00017258 | England | — | — | |
| Winnenden | cnl00020288 | Germany | — | — | |
| Winschoten | cnl00005310 | Netherlands | 7.03305555555556 | 53.1497222222222 | |
| Winsum | cnl00039745 | Netherlands | 6.516667 | 53.333333 | |
| Winterhur | cnl00050766 | Switzerland | 8.728611 | 47.498889 |