| Name of the place | CERL ID of a place | Country | Longitude | Latitude | |
|---|---|---|---|---|---|
| Pordenone | cnl00012915 | — | 12.66 | 45.96 | |
| Pornic | cnl00020727 | France | — | — | |
| Porrentruy | cnl00007784 | Switzerland | 7.08 | 47.42 | |
| Port-Louis | cnl00017799 | — | -3.35305555555556 | 47.7063888888889 | |
| Port-Royal-des-Champs | cnl00003222 | France | 2.01611111111111 | 48.7444444444444 | |
| Port-Sainte-Marie | cnl00041189 | France | 0.391111111111111 | 44.2513888888889 | |
| Portel | cnl00024408 | France | — | — | |
| Portets | cnl00020236 | France | — | — | |
| Porto | cnl00012522 | Portugal | -8.62 | 41.15 | |
| Portsmouth (Hampshire) | cnl00032062 | England | -1.07 | 50.81 | |
| Portugal | cnl00001046 | Portugal | — | — | |
| Poschiavo | cnl00012936 | — | 10.05 | 46.33 | |
| Posen | cnl00012937 | Poland | 16.97 | 52.42 | |
| Potosì | cnl00018436 | Bolivia | -65.75 | -19.5833333333333 | |
| Potsdam | cnl00012946 | Germany | 13.07 | 52.4 | |
| Pradelles | cnl00018463 | France | 3.88305555555556 | 44.7705555555556 | |
| Prague [non-CERL] | — | — | — | — | |
| Praha (Prague) | cnl00026998 | Czech Republic | 14.4194444444444 | 50.09 | |
| Pralboino | cnl00012957 | — | 10.22 | 45.27 | |
| Prato | cnl00012958 | Italy | 11.1 | 43.88 | |
| Pratovecchio | cnl00020935 | Italy | 11.7091666666667 | 43.8038888888889 | |
| Preetz | cnl00029821 | Germany | — | — | |
| Preßburg | cnl00050627 | Slovakia | 17.12 | 48.1491666666667 | |
| Prešov | cnl00016481 | — | 21.25 | 49.0 | |
| Preston (Lancashire) | cnl00003226 | England | -2.7 | 53.7666666666667 |