| Caldicot to Ponteland | 242.40 mi (390.11 km) |
| Caldicot to Pontneddfechan | 37.68 mi (60.65 km) |
| Caldicot to Pontypridd | 25.45 mi (40.97 km) |
| Caldicot to Poole | 68.93 mi (110.93 km) |
| Caldicot to Port Glasgow | 310.34 mi (499.44 km) |
| Caldicot to Port Talbot | 45.05 mi (72.49 km) |
| Caldicot to Portchester | 87.46 mi (140.75 km) |
| Caldicot to Porthcawl | 41.15 mi (66.23 km) |
| Caldicot to Portishead | 7.42 mi (11.93 km) |
| Caldicot to Portlethen | 378.76 mi (609.55 km) |
| Caldicot to Portsmouth | 90.11 mi (145.02 km) |
| Caldicot to Potters Bar | 110.27 mi (177.46 km) |
| Caldicot to Poulton le Fylde | 156.21 mi (251.40 km) |
| Caldicot to Poynton | 124.42 mi (200.23 km) |
| Caldicot to Prescot | 126.99 mi (204.37 km) |
