| Didymoteicho to Sestao | 1,505.31 mi (2,422.57 km) |
| Didymoteicho to Sevilla | 1,749.84 mi (2,816.09 km) |
| Didymoteicho to Sevilla La Nueva | 1,588.82 mi (2,556.96 km) |
| Didymoteicho to Silla | 1,417.79 mi (2,281.72 km) |
| Didymoteicho to Silleda | 1,772.58 mi (2,852.69 km) |
| Didymoteicho to Sitges | 1,277.71 mi (2,056.28 km) |
| Didymoteicho to Socuellamos | 1,542.33 mi (2,482.14 km) |
| Didymoteicho to Soller | 1,250.17 mi (2,011.96 km) |
| Didymoteicho to Solsona | 1,285.52 mi (2,068.85 km) |
| Didymoteicho to Son Servera | 1,218.23 mi (1,960.55 km) |
| Didymoteicho to Sonseca | 1,595.05 mi (2,566.99 km) |
| Didymoteicho to Sopelana | 1,503.57 mi (2,419.77 km) |
| Didymoteicho to Soria | 1,490.77 mi (2,399.16 km) |
| Didymoteicho to Suances | 1,556.79 mi (2,505.42 km) |
| Didymoteicho to Sueca | 1,415.40 mi (2,277.87 km) |
