| Harpenden to Redondela | 763.95 mi (1,229.45 km) |
| Harpenden to Reinosa | 634.07 mi (1,020.44 km) |
| Harpenden to Requena | 852.77 mi (1,372.41 km) |
| Harpenden to Reus | 739.95 mi (1,190.83 km) |
| Harpenden to Rianxo | 746.48 mi (1,201.34 km) |
| Harpenden to Ribadeo | 650.82 mi (1,047.39 km) |
| Harpenden to Rincon de la Victoria | 1,060.93 mi (1,707.41 km) |
| Harpenden to Ripoll | 675.03 mi (1,086.36 km) |
| Harpenden to Ripollet | 722.83 mi (1,163.29 km) |
| Harpenden to Rojales | 948.75 mi (1,526.86 km) |
| Harpenden to Ronda | 1,068.20 mi (1,719.10 km) |
| Harpenden to Roquetas de Mar | 1,045.95 mi (1,683.29 km) |
| Harpenden to Rosas | 680.49 mi (1,095.15 km) |
| Harpenden to Rubi | 722.14 mi (1,162.17 km) |
| Harpenden to Rute | 1,020.80 mi (1,642.82 km) |
