| Name of the place | CERL ID of a place | Country | Longitude | Latitude | |
|---|---|---|---|---|---|
| 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 | |
| Pforzheim | cnl00007755 | — | 8.69944444444445 | 48.8830555555556 | |
| Pfullendorf | cnl00012770 | Germany | 9.25 | 47.92 | |
| Philadelphia | cnl00012776 | United States | -75.17 | 39.95 | |
| Philippeville | cnl00018752 | Belgium | 4.55 | 50.2 | |
| Piacenza | cnl00012778 | Italy | 9.66944444444444 | 45.02 | |
| Piadena | cnl00020572 | Italy | 10.366667 | 45.133333 | |
| Pianezze | cnl00018087 | Italy | — | — | |
| Pibrac | cnl00021779 | France | — | — | |
| Picardie | cnl00024787 | France | — | — | |
| Pikow (Pykiv) | cnl00019900 | Ukraine | 28.266667 | 49.566667 | |
| Pilsen / Plzeň | cnl00002634 | Czech Republic | 13.3666666666667 | 49.7330555555556 | |
| Pilsum | — | Germany | 7.06116 | 53.484039 | |
| Pimprez (Oise) | cnl00020000 | France | 2.9528 | 49.5153 | |
| Pinerolo | cnl00012791 | Italy | 7.34972222222222 | 44.88 | |
| Piove di Sacco | cnl00012799 | Italy | 12.04 | 45.3 | |
| Pirano | cnl00023236 | Slovenia | 13.5680555555556 | 45.5280555555556 | |
| Pisa | cnl00012806 | Italy | 10.38 | 43.72 | |
| Pistoia | cnl00012811 | Italy | 10.9 | 43.92 |