| Name of the place | CERL ID of a place | Country | Longitude | Latitude | |
|---|---|---|---|---|---|
| Toscolano Maderno | cnl00006424 | Italy | 10.616667 | 45.65 | |
| Tostock | cnl00023036 | England | 0.862 | 52.235 | |
| Totnes | cnl00020853 | England | — | — | |
| Tottenham (London) | cnl00034921 | England | -0.058 | 51.605 | |
| Toul | cnl00014716 | France | 5.9 | 48.68 | |
| Toulon | cnl00014717 | France | 5.93 | 43.12 | |
| Toulon sur Arroux | cnl00017225 | — | — | — | |
| Toulouse | cnl00028830 | France | 1.43916666666667 | 43.6 | |
| Toulouse [non-CERL] | — | — | — | — | |
| Tournai | cnl00008692 | Belgium | 3.38 | 50.6 | |
| Tournon | cnl00014719 | France | 4.83 | 45.07 | |
| Tournus | cnl00018865 | France | 4.9 | 46.5666666666667 | |
| Tours | cnl00012659 | France | 0.69 | 47.39 | |
| Towcester | cnl00047357 | England | -0.990555555555556 | 52.1333333333333 | |
| Trachselwald | cnl00018185 | Switzerland | 7.716667 | 47.016667 | |
| Trakai | cnl00019327 | Lithuania | — | — | |
| Trani | cnl00000305 | Italy | 16.41 | 41.2772222222222 | |
| Tranquebar | cnl00033844 | India | 79.8491666666667 | 11.0330555555556 | |
| Trapani | cnl00014734 | Italy | 12.5197222222222 | 38.02 | |
| Trébizonde | cnl00021521 | Turkey | — | — | |
| Treceño | cnl00020188 | Spain | -4.287222 | 43.371389 | |
| Tremblay | cnl00021812 | France | — | — | |
| Tremezzo | cnl00017289 | Italy | — | — | |
| Tremp | cnl00028148 | Spain | 0.9 | 42.1666666666667 | |
| Trento | cnl00015964 | Italy | 11.13 | 46.07 |