| Name of the place | CERL ID of a place | Country | Longitude | Latitude | |
|---|---|---|---|---|---|
| Woudenberg | cnl00050753 | Netherlands | 5.416667 | 52.083333 | |
| Wrexham | cnl00003444 | Wales | -2.99132 | 53.04 | |
| Wrington | cnl00019821 | England | -2.76055555555556 | 51.3616666666667 | |
| Wuppertal | cnl00015647 | Germany | 7.17972222222222 | 51.27 | |
| Wuppertal-Unterbarmen | cnl00043159 | Germany | — | — | |
| Würzburg | cnl00016264 | Germany | 9.94 | 49.79 | |
| Wynford Eagle (Dorset) | — | England | -2.595 | 50.761 | |
| Xanten | cnl00014357 | Germany | 6.45 | 51.67 | |
| Xátiva | cnl00024413 | Spain | — | — | |
| Yardley | cnl00001591 | England | -1.81666666666667 | 52.4666666666667 | |
| Yarnton (Oxfordshire) | cnl00050724 | England | -1.31 | 51.811 | |
| Yazd | — | Iran | 54.356857 | 31.897423 | |
| Yeovil | cnl00003446 | England | -2.63666666666667 | 50.945 | |
| Yepes | cnl00023312 | Spain | — | — | |
| York | cnl00015676 | England | -1.08 | 53.97 | |
| Yorkshire | cnl00031239 | England | — | — | |
| Ypern | cnl00015677 | Belgium | 2.88 | 50.85 | |
| Yverdon [non-CERL] | — | — | — | — | |
| Yverdon-les-Bains | cnl00001589 | Switzerland | 6.63972222222222 | 46.7788888888889 | |
| Zaandam | cnl00015685 | Netherlands | 4.82 | 52.4397222222222 | |
| Zafra | cnl00020979 | Spain | -6.41666666666667 | 38.4166666666667 | |
| Zákynthos | cnl00025286 | Greece | 20.75 | 37.8 | |
| Zalewo | cnl00038424 | Germany | 19.605 | 53.8452777777778 | |
| Zaltbommel | cnl00016355 | Netherlands | 5.24 | 51.81 | |
| Zamora | cnl00015707 | Spain | -5.75 | 41.5 |