| Ciechanow to Sestao | 1,266.41 mi (2,038.09 km) |
| Ciechanow to Sevilla | 1,672.43 mi (2,691.52 km) |
| Ciechanow to Sevilla La Nueva | 1,443.46 mi (2,323.02 km) |
| Ciechanow to Silla | 1,364.05 mi (2,195.23 km) |
| Ciechanow to Silleda | 1,498.89 mi (2,412.22 km) |
| Ciechanow to Sitges | 1,189.91 mi (1,914.98 km) |
| Ciechanow to Socuellamos | 1,451.22 mi (2,335.51 km) |
| Ciechanow to Soller | 1,238.86 mi (1,993.75 km) |
| Ciechanow to Solsona | 1,160.88 mi (1,868.25 km) |
| Ciechanow to Son Servera | 1,226.04 mi (1,973.12 km) |
| Ciechanow to Sonseca | 1,472.56 mi (2,369.86 km) |
| Ciechanow to Sopelana | 1,262.28 mi (2,031.45 km) |
| Ciechanow to Soria | 1,316.74 mi (2,119.09 km) |
| Ciechanow to Suances | 1,301.73 mi (2,094.94 km) |
| Ciechanow to Sueca | 1,369.12 mi (2,203.39 km) |
