| Harpenden to Poljcane | 812.93 mi (1,308.29 km) |
| Harpenden to Polzela | 794.21 mi (1,278.16 km) |
| Harpenden to Postojna | 781.30 mi (1,257.38 km) |
| Harpenden to Prebold | 796.64 mi (1,282.06 km) |
| Harpenden to Preddvor | 767.61 mi (1,235.35 km) |
| Harpenden to Prevalje | 777.66 mi (1,251.52 km) |
| Harpenden to Ptuj | 820.48 mi (1,320.44 km) |
| Harpenden to Puconci | 821.56 mi (1,322.18 km) |
| Harpenden to Race | 811.70 mi (1,306.31 km) |
| Harpenden to Radece | 806.57 mi (1,298.05 km) |
| Harpenden to Radenci | 819.19 mi (1,318.37 km) |
| Harpenden to Radlje ob Dravi | 787.46 mi (1,267.30 km) |
| Harpenden to Radovljica | 756.45 mi (1,217.39 km) |
| Harpenden to Ravne na Koroskem | 779.74 mi (1,254.87 km) |
| Harpenden to Razkrizje | 833.61 mi (1,341.57 km) |
