| Reda to Santander | 1,256.12 mi (2,021.54 km) |
| Reda to Santany | 1,269.49 mi (2,043.04 km) |
| Reda to Santiago de Compostela | 1,455.26 mi (2,342.02 km) |
| Reda to Santiago del Teide | 2,525.77 mi (4,064.83 km) |
| Reda to Santiponce | 1,650.58 mi (2,656.36 km) |
| Reda to Santomera | 1,461.05 mi (2,351.34 km) |
| Reda to Santona | 1,245.02 mi (2,003.67 km) |
| Reda to Santurce-Antiguo | 1,235.78 mi (1,988.79 km) |
| Reda to Sarria | 1,418.43 mi (2,282.75 km) |
| Reda to Sauzal | 2,502.34 mi (4,027.12 km) |
| Reda to Sedavi | 1,362.37 mi (2,192.53 km) |
| Reda to Segorbe | 1,341.10 mi (2,158.29 km) |
| Reda to Segovia | 1,395.84 mi (2,246.38 km) |
| Reda to Senmanat | 1,163.53 mi (1,872.52 km) |
| Reda to Sesena | 1,427.35 mi (2,297.10 km) |
