| Pontneddfechan to Sesena | 805.08 mi (1,295.65 km) |
| Pontneddfechan to Sestao | 584.09 mi (940.00 km) |
| Pontneddfechan to Sevilla | 1,009.73 mi (1,625.01 km) |
| Pontneddfechan to Sevilla La Nueva | 788.49 mi (1,268.95 km) |
| Pontneddfechan to Silla | 869.78 mi (1,399.78 km) |
| Pontneddfechan to Silleda | 662.20 mi (1,065.71 km) |
| Pontneddfechan to Sitges | 770.34 mi (1,239.75 km) |
| Pontneddfechan to Socuellamos | 861.89 mi (1,387.08 km) |
| Pontneddfechan to Soller | 881.23 mi (1,418.20 km) |
| Pontneddfechan to Solsona | 715.79 mi (1,151.95 km) |
| Pontneddfechan to Son Servera | 901.99 mi (1,451.61 km) |
| Pontneddfechan to Sonseca | 833.13 mi (1,340.79 km) |
| Pontneddfechan to Sopelana | 579.28 mi (932.26 km) |
| Pontneddfechan to Soria | 692.17 mi (1,113.93 km) |
| Pontneddfechan to Suances | 575.40 mi (926.02 km) |
