| Grad to Sestao | 960.42 mi (1,545.65 km) |
| Grad to Sevilla | 1,305.46 mi (2,100.93 km) |
| Grad to Sevilla La Nueva | 1,097.61 mi (1,766.44 km) |
| Grad to Silla | 975.85 mi (1,570.48 km) |
| Grad to Silleda | 1,221.73 mi (1,966.18 km) |
| Grad to Sitges | 805.90 mi (1,296.96 km) |
| Grad to Socuellamos | 1,081.82 mi (1,741.02 km) |
| Grad to Soller | 828.92 mi (1,334.02 km) |
| Grad to Solsona | 791.04 mi (1,273.05 km) |
| Grad to Son Servera | 809.10 mi (1,302.13 km) |
| Grad to Sonseca | 1,117.52 mi (1,798.47 km) |
| Grad to Sopelana | 957.44 mi (1,540.84 km) |
| Grad to Soria | 979.00 mi (1,575.54 km) |
| Grad to Suances | 1,006.48 mi (1,619.77 km) |
| Grad to Sueca | 978.33 mi (1,574.47 km) |
