| Hemel Hempstead to Peterborough | 57.07 mi (91.85 km) |
| Hemel Hempstead to Peterhead | 401.17 mi (645.62 km) |
| Hemel Hempstead to Peterlee | 210.81 mi (339.27 km) |
| Hemel Hempstead to Petersfield | 55.54 mi (89.38 km) |
| Hemel Hempstead to Pinner | 11.53 mi (18.56 km) |
| Hemel Hempstead to Pitsea | 43.60 mi (70.16 km) |
| Hemel Hempstead to Plumstead | 30.08 mi (48.40 km) |
| Hemel Hempstead to Plymouth | 185.83 mi (299.07 km) |
| Hemel Hempstead to Plympton | 181.90 mi (292.74 km) |
| Hemel Hempstead to Plymstock | 184.43 mi (296.82 km) |
| Hemel Hempstead to Polegate | 71.33 mi (114.80 km) |
| Hemel Hempstead to Ponders End | 19.56 mi (31.48 km) |
| Hemel Hempstead to Pont-y-pwl | 110.11 mi (177.21 km) |
| Hemel Hempstead to Pontardulais | 152.82 mi (245.94 km) |
| Hemel Hempstead to Pontefract | 138.49 mi (222.88 km) |
