| Billdal to Siran | 1,701.86 mi (2,738.88 km) |
| Billdal to Sirnak | 1,956.11 mi (3,148.06 km) |
| Billdal to Sirvan | 1,911.86 mi (3,076.84 km) |
| Billdal to Sivas | 1,662.75 mi (2,675.93 km) |
| Billdal to Sivasli | 1,543.25 mi (2,483.62 km) |
| Billdal to Siverek | 1,846.40 mi (2,971.49 km) |
| Billdal to Sivrice | 1,806.17 mi (2,906.75 km) |
| Billdal to Sivrihisar | 1,528.95 mi (2,460.62 km) |
| Billdal to Sogut | 1,460.32 mi (2,350.16 km) |
| Billdal to Sogutlu | 1,414.34 mi (2,276.17 km) |
| Billdal to Soke | 1,539.65 mi (2,477.82 km) |
| Billdal to Solhan | 1,830.38 mi (2,945.72 km) |
| Billdal to Soma | 1,452.40 mi (2,337.41 km) |
| Billdal to Sorgun | 1,605.97 mi (2,584.56 km) |
| Billdal to Suhut | 1,560.70 mi (2,511.70 km) |
