| Name of the place | CERL ID of a place | Country | Longitude | Latitude | |
|---|---|---|---|---|---|
| Dax | cnl00001973 | France | -1.05527777777778 | 43.7072222222222 | |
| Daylesford | cnl00020888 | England | — | — | |
| De Bilt | cnl00028048 | Netherlands | — | — | |
| De Koog | — | Netherlands | 4.766944 | 53.098333 | |
| De Rijp | cnl00005009 | Netherlands | 4.84527777777778 | 52.5566666666667 | |
| Deal (Kent) | — | England | 1.4006 | 51.2226 | |
| Deensen | cnl00025181 | Germany | 9.71666666666667 | 51.8666666666667 | |
| Dejbjerg | — | Denmark | 8.419544 | 55.999592 | |
| Delfshaven | cnl00008549 | Netherlands | 4.45 | 51.9 | |
| Delft | cnl00016284 | Netherlands | 4.37 | 52.0 | |
| Delft [non-CERL] | — | — | — | — | |
| Delfzijl | cnl00008551 | — | 6.91972222222222 | 53.3297222222222 | |
| Delphi | cnl00035096 | Greece | 22.4933333333333 | 38.4797222222222 | |
| Demmin | cnl00032130 | Germany | — | — | |
| Den Haag | cnl00026987 | Netherlands | 4.29916666666667 | 52.0791666666667 | |
| Den Haag [alternative CERL] | cnl00026987 | Netherlands | 4.29916666666667 | 52.0791666666667 | |
| Den Haag [non-CERL] | — | — | — | — | |
| Denbigh | cnl00001980 | England | -3.41666666666667 | 53.1830555555556 | |
| Dendermonde | cnl00008562 | Belgium | 4.12 | 51.03 | |
| Denmark | cnl00003666 | Denmark | — | — | |
| Deptford (London) | cnl00049457 | England | — | — | |
| Derby | cnl00002436 | England | -1.48305555555556 | 52.9166666666667 | |
| Derbyshire | — | England | — | — | |
| Derry (Londonderry) | cnl00011305 | Ireland | -7.30972222222222 | 55.0 | |
| Dessau | cnl00008579 | Germany | 12.25 | 51.83 |