| Name of the place | CERL ID of a place | Country | Longitude | Latitude | |
|---|---|---|---|---|---|
| Sulmona | cnl00014458 | Italy | 13.93 | 42.05 | |
| Sulzbach | cnl00001418 | Germany | — | — | |
| Sulzburg-im-Breisgau | cnl00020712 | Germany | — | — | |
| Sülzfeld | cnl00044479 | Germany | 10.3666666666667 | 50.5330555555556 | |
| Surinam | cnl00015841 | Surinam | — | — | |
| Surrey | — | England | -0.416667 | 51.25 | |
| Sušice | cnl00022006 | Czech Republic | — | — | |
| Sussex | cnl00001696 | England | — | — | |
| Sutton Barne | — | England | — | — | |
| Suze-la-Rousse | cnl00019820 | France | — | — | |
| Swansea | cnl00014488 | Wales | -3.97 | 51.63 | |
| Swanton Morley (Norfolk) | cnl00050682 | England | 0.98131 | 52.70864 | |
| Sweden | cnl00003676 | Sweden | — | — | |
| Swichum | cnl00026102 | Netherlands | 5.819444 | 53.103611 | |
| Switzerland | cnl00002668 | Switzerland | — | — | |
| Swynnerton | cnl00021476 | England | — | — | |
| Szamotuły | cnl00013751 | Poland | 16.5797222222222 | 52.6197222222222 | |
| Søllested | cnl00032025 | Denmark | 11.2833 | 54.8167 | |
| Taggia | cnl00023363 | Italy | 7.85222222222222 | 43.8461111111111 | |
| Talant | cnl00042712 | France | 5.00861111111111 | 47.3366666666667 | |
| Talavara de la Reina | cnl00023709 | Spain | -4.83 | 39.96 | |
| Talavera de la Reina | cnl00019926 | — | — | — | |
| Tallinn | cnl00013214 | Estonia | 24.73 | 59.4294444444444 | |
| Tanger | cnl00019762 | Morocco | — | — | |
| Tansor (Northamptonshire) | — | England | — | — |