| Sint-Lievens-Houtem to Sestao | 616.31 mi (991.85 km) |
| Sint-Lievens-Houtem to Sevilla | 1,061.93 mi (1,709.01 km) |
| Sint-Lievens-Houtem to Sevilla La Nueva | 822.78 mi (1,324.13 km) |
| Sint-Lievens-Houtem to Silla | 824.76 mi (1,327.33 km) |
| Sint-Lievens-Houtem to Silleda | 804.12 mi (1,294.11 km) |
| Sint-Lievens-Houtem to Sitges | 676.21 mi (1,088.25 km) |
| Sint-Lievens-Houtem to Socuellamos | 865.43 mi (1,392.77 km) |
| Sint-Lievens-Houtem to Soller | 772.44 mi (1,243.13 km) |
| Sint-Lievens-Houtem to Solsona | 626.44 mi (1,008.16 km) |
| Sint-Lievens-Houtem to Son Servera | 780.85 mi (1,256.66 km) |
| Sint-Lievens-Houtem to Sonseca | 861.92 mi (1,387.13 km) |
| Sint-Lievens-Houtem to Sopelana | 611.40 mi (983.96 km) |
| Sint-Lievens-Houtem to Soria | 700.04 mi (1,126.61 km) |
| Sint-Lievens-Houtem to Suances | 636.08 mi (1,023.67 km) |
| Sint-Lievens-Houtem to Sueca | 834.30 mi (1,342.68 km) |
