| Mountain Ash to Ponteland | 242.13 mi (389.67 km) |
| Mountain Ash to Pontneddfechan | 10.29 mi (16.56 km) |
| Mountain Ash to Pontypridd | 5.71 mi (9.19 km) |
| Mountain Ash to Poole | 89.97 mi (144.79 km) |
| Mountain Ash to Port Glasgow | 298.64 mi (480.62 km) |
| Mountain Ash to Port Talbot | 19.05 mi (30.65 km) |
| Mountain Ash to Portchester | 113.59 mi (182.81 km) |
| Mountain Ash to Porthcawl | 19.28 mi (31.03 km) |
| Mountain Ash to Portishead | 29.78 mi (47.93 km) |
| Mountain Ash to Portlethen | 375.06 mi (603.60 km) |
| Mountain Ash to Portsmouth | 116.13 mi (186.89 km) |
| Mountain Ash to Potters Bar | 136.89 mi (220.31 km) |
| Mountain Ash to Poulton le Fylde | 150.49 mi (242.19 km) |
| Mountain Ash to Poynton | 126.92 mi (204.25 km) |
| Mountain Ash to Prescot | 123.09 mi (198.10 km) |
