| Gharb to Sestao | 1,040.54 mi (1,674.59 km) |
| Gharb to Sevilla | 1,120.53 mi (1,803.32 km) |
| Gharb to Sevilla La Nueva | 1,031.37 mi (1,659.84 km) |
| Gharb to Silla | 829.92 mi (1,335.63 km) |
| Gharb to Silleda | 1,278.53 mi (2,057.59 km) |
| Gharb to Sitges | 757.80 mi (1,219.56 km) |
| Gharb to Socuellamos | 954.69 mi (1,536.43 km) |
| Gharb to Soller | 676.95 mi (1,089.44 km) |
| Gharb to Solsona | 793.80 mi (1,277.49 km) |
| Gharb to Son Servera | 640.48 mi (1,030.76 km) |
| Gharb to Sonseca | 1,019.75 mi (1,641.13 km) |
| Gharb to Sopelana | 1,041.24 mi (1,675.71 km) |
| Gharb to Soria | 977.20 mi (1,572.66 km) |
| Gharb to Suances | 1,092.29 mi (1,757.87 km) |
| Gharb to Sueca | 822.61 mi (1,323.87 km) |
