| Barstow to Perth | 5,036.14 mi (8,104.88 km) |
| Barstow to Peterborough | 5,303.80 mi (8,535.64 km) |
| Barstow to Peterhead | 5,036.74 mi (8,105.84 km) |
| Barstow to Peterlee | 5,171.14 mi (8,322.15 km) |
| Barstow to Petersfield | 5,352.20 mi (8,613.53 km) |
| Barstow to Pinner | 5,343.24 mi (8,599.11 km) |
| Barstow to Pitsea | 5,373.04 mi (8,647.07 km) |
| Barstow to Plumstead | 5,363.40 mi (8,631.56 km) |
| Barstow to Plymouth | 5,272.73 mi (8,485.64 km) |
| Barstow to Plympton | 5,275.22 mi (8,489.65 km) |
| Barstow to Plymstock | 5,275.15 mi (8,489.53 km) |
| Barstow to Polegate | 5,399.13 mi (8,689.05 km) |
| Barstow to Ponders End | 5,351.88 mi (8,613.02 km) |
| Barstow to Pont-y-pwl | 5,251.70 mi (8,451.79 km) |
| Barstow to Pontardulais | 5,218.19 mi (8,397.86 km) |
