| Name of the place | CERL ID of a place | Country | Longitude | Latitude | |
|---|---|---|---|---|---|
| Grancy | cnl00020119 | Switzerland | 6.466667 | 46.583333 | |
| Grandson | cnl00023908 | — | — | — | |
| Grantham | cnl00009602 | England | -0.63 | 52.9 | |
| Granville (France) | cnl00030079 | France | -1.6 | 48.8330555555556 | |
| Graulhet | cnl00018368 | France | — | — | |
| Gravesend | cnl00009618 | England | 0.37 | 51.43 | |
| Graveson | cnl00034046 | France | 4.7736 | 43.8511 | |
| Gray | cnl00009620 | France | 5.58 | 47.45 | |
| Graz | cnl00009586 | — | 15.4491666666667 | 47.07 | |
| Great Bedwyn (Wiltshire) | — | England | -1.602 | 51.379 | |
| Great Orton | — | England | — | — | |
| Great Snoring | cnl00020551 | England | — | — | |
| Great Yarmouth | cnl00009621 | England | 1.74 | 52.6 | |
| Greenwich | cnl00009627 | England | 0.0 | 51.48 | |
| Greetsiel | cnl00015838 | Germany | 7.098056 | 53.498611 | |
| Greifswald | cnl00030822 | Germany | 13.3830555555556 | 54.1 | |
| Grenade-sur-Garonne | cnl00050769 | France | 1.2936 | 43.7722 | |
| Grenoble | cnl00009642 | France | 5.72 | 45.17 | |
| Grenoble [non-CERL] | — | — | — | — | |
| Grevesmühlen | cnl00031677 | Germany | 11.1830555555556 | 53.8666666666667 | |
| Grignan | cnl00002062 | France | 4.90888888888889 | 44.4202777777778 | |
| Grigny (Essonne) | cnl00041662 | France | — | — | |
| Grimersum | — | Netherlands | — | — | |
| Grimma | cnl00009660 | Germany | 12.72 | 51.23 | |
| Grodkow | cnl00009701 | Poland | 17.3797222222222 | 50.7 |