| Cwmbran to Ponteland | 240.37 mi (386.84 km) |
| Cwmbran to Pontneddfechan | 25.28 mi (40.68 km) |
| Cwmbran to Pontypridd | 14.21 mi (22.87 km) |
| Cwmbran to Poole | 78.77 mi (126.77 km) |
| Cwmbran to Port Glasgow | 303.51 mi (488.46 km) |
| Cwmbran to Port Talbot | 33.63 mi (54.13 km) |
| Cwmbran to Portchester | 99.49 mi (160.12 km) |
| Cwmbran to Porthcawl | 31.12 mi (50.08 km) |
| Cwmbran to Portishead | 16.11 mi (25.92 km) |
| Cwmbran to Portlethen | 375.37 mi (604.09 km) |
| Cwmbran to Portsmouth | 102.11 mi (164.32 km) |
| Cwmbran to Potters Bar | 121.63 mi (195.74 km) |
| Cwmbran to Poulton le Fylde | 151.59 mi (243.97 km) |
| Cwmbran to Poynton | 123.26 mi (198.37 km) |
| Cwmbran to Prescot | 123.01 mi (197.97 km) |
