| South River to Perth | 3,269.95 mi (5,262.48 km) |
| South River to Peterborough | 3,461.17 mi (5,570.21 km) |
| South River to Peterhead | 3,314.70 mi (5,334.50 km) |
| South River to Peterlee | 3,376.06 mi (5,433.24 km) |
| South River to Petersfield | 3,465.62 mi (5,577.37 km) |
| South River to Pinner | 3,475.45 mi (5,593.20 km) |
| South River to Pitsea | 3,512.38 mi (5,652.64 km) |
| South River to Plumstead | 3,497.25 mi (5,628.28 km) |
| South River to Plymouth | 3,344.91 mi (5,383.12 km) |
| South River to Plympton | 3,348.47 mi (5,388.84 km) |
| South River to Plymstock | 3,347.41 mi (5,387.13 km) |
| South River to Polegate | 3,518.42 mi (5,662.34 km) |
| South River to Ponders End | 3,488.31 mi (5,613.90 km) |
| South River to Pont-y-pwl | 3,364.61 mi (5,414.82 km) |
| South River to Pontardulais | 3,323.36 mi (5,348.43 km) |
