| Harpenden to Rury | 979.79 mi (1,576.82 km) |
| Harpenden to Rybnik | 829.06 mi (1,334.24 km) |
| Harpenden to Ryki | 950.16 mi (1,529.13 km) |
| Harpenden to Rypin | 835.76 mi (1,345.03 km) |
| Harpenden to Rzeszow | 977.33 mi (1,572.87 km) |
| Harpenden to Sandomierz | 955.37 mi (1,537.51 km) |
| Harpenden to Sanok | 996.22 mi (1,603.26 km) |
| Harpenden to Sedziszow Malopolski | 963.90 mi (1,551.24 km) |
| Harpenden to Sepolno Krajenskie | 756.24 mi (1,217.05 km) |
| Harpenden to Sidlice | 803.80 mi (1,293.59 km) |
| Harpenden to Siechnice | 754.22 mi (1,213.80 km) |
| Harpenden to Siedlce | 958.95 mi (1,543.29 km) |
| Harpenden to Siemianowice Slaskie | 844.20 mi (1,358.61 km) |
| Harpenden to Siemiatycze | 981.48 mi (1,579.53 km) |
| Harpenden to Sieradz | 815.65 mi (1,312.66 km) |
