| Kostinbrod to Sestao | 1,318.67 mi (2,122.19 km) |
| Kostinbrod to Sevilla | 1,583.88 mi (2,549.01 km) |
| Kostinbrod to Sevilla La Nueva | 1,412.16 mi (2,272.65 km) |
| Kostinbrod to Silla | 1,248.98 mi (2,010.04 km) |
| Kostinbrod to Silleda | 1,586.11 mi (2,552.60 km) |
| Kostinbrod to Sitges | 1,101.45 mi (1,772.62 km) |
| Kostinbrod to Socuellamos | 1,371.22 mi (2,206.77 km) |
| Kostinbrod to Soller | 1,082.89 mi (1,742.75 km) |
| Kostinbrod to Solsona | 1,105.43 mi (1,779.01 km) |
| Kostinbrod to Son Servera | 1,052.71 mi (1,694.18 km) |
| Kostinbrod to Sonseca | 1,421.07 mi (2,286.99 km) |
| Kostinbrod to Sopelana | 1,316.72 mi (2,119.05 km) |
| Kostinbrod to Soria | 1,309.61 mi (2,107.61 km) |
| Kostinbrod to Suances | 1,369.53 mi (2,204.05 km) |
| Kostinbrod to Sueca | 1,247.53 mi (2,007.70 km) |
