| Clayton to Sesena | 949.17 mi (1,527.54 km) |
| Clayton to Sestao | 725.51 mi (1,167.60 km) |
| Clayton to Sevilla | 1,160.18 mi (1,867.13 km) |
| Clayton to Sevilla La Nueva | 933.95 mi (1,503.05 km) |
| Clayton to Silla | 998.51 mi (1,606.95 km) |
| Clayton to Silleda | 819.88 mi (1,319.47 km) |
| Clayton to Sitges | 882.98 mi (1,421.02 km) |
| Clayton to Socuellamos | 1,002.13 mi (1,612.77 km) |
| Clayton to Soller | 991.12 mi (1,595.06 km) |
| Clayton to Solsona | 828.70 mi (1,333.67 km) |
| Clayton to Son Servera | 1,008.01 mi (1,622.23 km) |
| Clayton to Sonseca | 978.10 mi (1,574.10 km) |
| Clayton to Sopelana | 720.56 mi (1,159.63 km) |
| Clayton to Soria | 830.72 mi (1,336.92 km) |
| Clayton to Suances | 722.19 mi (1,162.26 km) |
