| Round Rock to Pontefract | 4,790.66 mi (7,709.82 km) |
| Round Rock to Ponteland | 4,737.35 mi (7,624.02 km) |
| Round Rock to Pontneddfechan | 4,756.18 mi (7,654.33 km) |
| Round Rock to Pontypridd | 4,770.01 mi (7,676.59 km) |
| Round Rock to Poole | 4,848.51 mi (7,802.93 km) |
| Round Rock to Port Glasgow | 4,607.65 mi (7,415.30 km) |
| Round Rock to Port Talbot | 4,752.27 mi (7,648.04 km) |
| Round Rock to Portchester | 4,879.20 mi (7,852.32 km) |
| Round Rock to Porthcawl | 4,759.54 mi (7,659.74 km) |
| Round Rock to Portishead | 4,796.10 mi (7,718.58 km) |
| Round Rock to Portlethen | 4,670.49 mi (7,516.42 km) |
| Round Rock to Portsmouth | 4,881.55 mi (7,856.10 km) |
| Round Rock to Potters Bar | 4,890.84 mi (7,871.04 km) |
| Round Rock to Poulton le Fylde | 4,723.23 mi (7,601.31 km) |
| Round Rock to Poynton | 4,769.78 mi (7,676.22 km) |
