| Pirot to Sestao | 1,283.23 mi (2,065.16 km) |
| Pirot to Sevilla | 1,554.02 mi (2,500.95 km) |
| Pirot to Sevilla La Nueva | 1,379.55 mi (2,220.18 km) |
| Pirot to Silla | 1,218.64 mi (1,961.22 km) |
| Pirot to Silleda | 1,550.64 mi (2,495.51 km) |
| Pirot to Sitges | 1,069.20 mi (1,720.71 km) |
| Pirot to Socuellamos | 1,340.16 mi (2,156.78 km) |
| Pirot to Soller | 1,053.17 mi (1,694.92 km) |
| Pirot to Solsona | 1,072.07 mi (1,725.33 km) |
| Pirot to Son Servera | 1,023.52 mi (1,647.19 km) |
| Pirot to Sonseca | 1,389.19 mi (2,235.69 km) |
| Pirot to Sopelana | 1,281.22 mi (2,061.92 km) |
| Pirot to Soria | 1,275.79 mi (2,053.19 km) |
| Pirot to Suances | 1,333.89 mi (2,146.69 km) |
| Pirot to Sueca | 1,217.45 mi (1,959.29 km) |
