| Williamstown to Perth | 3,329.42 mi (5,358.18 km) |
| Williamstown to Peterborough | 3,519.37 mi (5,663.88 km) |
| Williamstown to Peterhead | 3,374.58 mi (5,430.86 km) |
| Williamstown to Peterlee | 3,435.05 mi (5,528.17 km) |
| Williamstown to Petersfield | 3,523.08 mi (5,669.85 km) |
| Williamstown to Pinner | 3,533.23 mi (5,686.18 km) |
| Williamstown to Pitsea | 3,570.23 mi (5,745.73 km) |
| Williamstown to Plumstead | 3,555.02 mi (5,721.26 km) |
| Williamstown to Plymouth | 3,401.77 mi (5,474.62 km) |
| Williamstown to Plympton | 3,405.35 mi (5,480.37 km) |
| Williamstown to Plymstock | 3,404.26 mi (5,478.63 km) |
| Williamstown to Polegate | 3,575.91 mi (5,754.87 km) |
| Williamstown to Ponders End | 3,546.14 mi (5,706.97 km) |
| Williamstown to Pont-y-pwl | 3,422.21 mi (5,507.52 km) |
| Williamstown to Pontardulais | 3,380.88 mi (5,441.00 km) |
