| Harpenden to Prelouc | 702.30 mi (1,130.25 km) |
| Harpenden to Prerov | 794.92 mi (1,279.31 km) |
| Harpenden to Pribram | 643.64 mi (1,035.84 km) |
| Harpenden to Prostejov | 780.07 mi (1,255.40 km) |
| Harpenden to Rakovnik | 623.29 mi (1,003.09 km) |
| Harpenden to Ricany | 664.66 mi (1,069.67 km) |
| Harpenden to Rokycany | 624.89 mi (1,005.66 km) |
| Harpenden to Roudnice nad Labem | 639.93 mi (1,029.86 km) |
| Harpenden to Roznov pod Radhostem | 824.32 mi (1,326.62 km) |
| Harpenden to Roztoky | 650.51 mi (1,046.89 km) |
| Harpenden to Rumburk | 644.54 mi (1,037.29 km) |
| Harpenden to Rychnov nad Kneznou | 730.47 mi (1,175.57 km) |
| Harpenden to Slany | 635.93 mi (1,023.44 km) |
| Harpenden to Sokolov | 575.32 mi (925.90 km) |
| Harpenden to Sternberk | 782.57 mi (1,259.43 km) |
