| Name of the place | CERL ID of a place | Country | Longitude | Latitude | |
|---|---|---|---|---|---|
| Penkridge | cnl00025519 | England | -2.1164 | 52.7252 | |
| Pennsylvania | cnl00031917 | United States | — | — | |
| Penshurst Place | cnl00021447 | England | — | — | |
| Penzance | cnl00003206 | England | -5.537 | 50.119 | |
| Peraleja | cnl00022471 | — | — | — | |
| Pergame | cnl00019722 | Turkey | — | — | |
| Pergola | cnl00018066 | — | 12.8344444444444 | 43.5641666666667 | |
| Périgord | cnl00022104 | France | — | — | |
| Périgueux | cnl00012708 | France | 0.72 | 45.18 | |
| Perinaldo | cnl00020700 | Italy | 7.67416666666667 | 43.8666666666667 | |
| Perleberg | cnl00012710 | Germany | 11.87 | 53.07 | |
| Pernes-en-Artois | cnl00021524 | France | — | — | |
| Pernes-les-Fontaines | cnl00019706 | France | — | — | |
| Perpignan | cnl00012704 | France | 2.9 | 42.7 | |
| Perth | cnl00012723 | Scotland | -3.43 | 56.3997222222222 | |
| Pertuis | cnl00019195 | France | — | — | |
| Perugia | cnl00012718 | Italy | 12.38 | 43.1 | |
| Pesaro | cnl00012727 | Italy | 12.89 | 43.9 | |
| Pescina | cnl00020735 | Italy | — | — | |
| Peterborough (Cambridgeshire) | cnl00012733 | England | -0.25 | 52.58 | |
| Petersfield | cnl00017898 | England | — | — | |
| Petrograd [non-CERL] | — | — | — | — | |
| Petznick | cnl00032957 | Germany | 13.2833333333333 | 53.1666666666667 | |
| Peuerbach | cnl00021654 | Austria | — | — | |
| Pézenas | cnl00012751 | France | 3.42 | 43.45 |