| Portchester to Pontefract | 197.01 mi (317.06 km) |
| Portchester to Ponteland | 291.77 mi (469.56 km) |
| Portchester to Pontneddfechan | 123.88 mi (199.37 km) |
| Portchester to Pontypridd | 109.55 mi (176.31 km) |
| Portchester to Poole | 38.70 mi (62.28 km) |
| Portchester to Port Glasgow | 381.22 mi (613.52 km) |
| Portchester to Port Talbot | 126.93 mi (204.28 km) |
| Portchester to Porthcawl | 119.76 mi (192.73 km) |
| Portchester to Portishead | 83.86 mi (134.96 km) |
| Portchester to Portlethen | 431.64 mi (694.65 km) |
| Portchester to Portsmouth | 2.88 mi (4.64 km) |
| Portchester to Potters Bar | 71.68 mi (115.36 km) |
| Portchester to Poulton le Fylde | 222.18 mi (357.56 km) |
| Portchester to Poynton | 178.37 mi (287.06 km) |
| Portchester to Prescot | 192.48 mi (309.77 km) |
