| Sierre to Redondela | 843.75 mi (1,357.88 km) |
| Sierre to Reinosa | 616.53 mi (992.20 km) |
| Sierre to Requena | 641.66 mi (1,032.65 km) |
| Sierre to Reus | 478.50 mi (770.07 km) |
| Sierre to Rianxo | 842.82 mi (1,356.39 km) |
| Sierre to Ribadeo | 737.03 mi (1,186.13 km) |
| Sierre to Rincon de la Victoria | 899.30 mi (1,447.28 km) |
| Sierre to Ripoll | 387.29 mi (623.28 km) |
| Sierre to Ripollet | 426.13 mi (685.78 km) |
| Sierre to Rojales | 706.64 mi (1,137.22 km) |
| Sierre to Ronda | 929.48 mi (1,495.86 km) |
| Sierre to Roquetas de Mar | 840.92 mi (1,353.32 km) |
| Sierre to Rosas | 352.39 mi (567.12 km) |
| Sierre to Rubi | 430.24 mi (692.41 km) |
| Sierre to Rute | 870.42 mi (1,400.80 km) |
