| Castelli Calepio to Peterborough | 661.92 mi (1,065.26 km) |
| Castelli Calepio to Peterhead | 958.79 mi (1,543.02 km) |
| Castelli Calepio to Peterlee | 800.70 mi (1,288.60 km) |
| Castelli Calepio to Petersfield | 619.96 mi (997.73 km) |
| Castelli Calepio to Pinner | 623.85 mi (1,003.99 km) |
| Castelli Calepio to Pitsea | 592.85 mi (954.10 km) |
| Castelli Calepio to Plumstead | 603.20 mi (970.75 km) |
| Castelli Calepio to Plymouth | 725.47 mi (1,167.53 km) |
| Castelli Calepio to Plympton | 722.10 mi (1,162.11 km) |
| Castelli Calepio to Plymstock | 722.96 mi (1,163.49 km) |
| Castelli Calepio to Polegate | 570.20 mi (917.65 km) |
| Castelli Calepio to Ponders End | 614.47 mi (988.90 km) |
| Castelli Calepio to Pont-y-pwl | 722.60 mi (1,162.91 km) |
| Castelli Calepio to Pontardulais | 760.17 mi (1,223.38 km) |
| Castelli Calepio to Pontefract | 747.52 mi (1,203.02 km) |
