| Upper Grand Lagoon to Perth | 4,224.62 mi (6,798.86 km) |
| Upper Grand Lagoon to Peterborough | 4,413.70 mi (7,103.16 km) |
| Upper Grand Lagoon to Peterhead | 4,268.95 mi (6,870.21 km) |
| Upper Grand Lagoon to Peterlee | 4,330.40 mi (6,969.11 km) |
| Upper Grand Lagoon to Petersfield | 4,415.44 mi (7,105.97 km) |
| Upper Grand Lagoon to Pinner | 4,426.52 mi (7,123.79 km) |
| Upper Grand Lagoon to Pitsea | 4,463.70 mi (7,183.63 km) |
| Upper Grand Lagoon to Plumstead | 4,448.30 mi (7,158.85 km) |
| Upper Grand Lagoon to Plymouth | 4,292.04 mi (6,907.37 km) |
| Upper Grand Lagoon to Plympton | 4,295.67 mi (6,913.21 km) |
| Upper Grand Lagoon to Plymstock | 4,294.52 mi (6,911.36 km) |
| Upper Grand Lagoon to Polegate | 4,468.35 mi (7,191.11 km) |
| Upper Grand Lagoon to Ponders End | 4,439.57 mi (7,144.80 km) |
| Upper Grand Lagoon to Pont-y-pwl | 4,315.02 mi (6,944.35 km) |
| Upper Grand Lagoon to Pontardulais | 4,273.46 mi (6,877.47 km) |
