| Harpenden to Poyo | 755.98 mi (1,216.63 km) |
| Harpenden to Pozoblanco | 953.31 mi (1,534.20 km) |
| Harpenden to Premia de Mar | 724.81 mi (1,166.46 km) |
| Harpenden to Priego de Cordoba | 1,011.18 mi (1,627.34 km) |
| Harpenden to Puente-Genil | 1,020.19 mi (1,641.84 km) |
| Harpenden to Puenteareas | 768.37 mi (1,236.57 km) |
| Harpenden to Puerto de la Cruz | 1,820.00 mi (2,929.01 km) |
| Harpenden to Puerto del Rosario | 1,755.45 mi (2,825.12 km) |
| Harpenden to Puerto Real | 1,094.35 mi (1,761.19 km) |
| Harpenden to Puertollano | 925.45 mi (1,489.36 km) |
| Harpenden to Puigcerda | 657.21 mi (1,057.68 km) |
| Harpenden to Pulpi | 998.34 mi (1,606.68 km) |
| Harpenden to Puzol | 843.00 mi (1,356.67 km) |
| Harpenden to Quintanar de la Orden | 854.56 mi (1,375.28 km) |
| Harpenden to Rafelbunol | 844.69 mi (1,359.39 km) |
