| Boulogne-Billancourt to Siran | 1,891.68 mi (3,044.37 km) |
| Boulogne-Billancourt to Sirnak | 2,142.09 mi (3,447.36 km) |
| Boulogne-Billancourt to Sirvan | 2,101.55 mi (3,382.12 km) |
| Boulogne-Billancourt to Sivas | 1,811.98 mi (2,916.09 km) |
| Boulogne-Billancourt to Sivasli | 1,535.20 mi (2,470.67 km) |
| Boulogne-Billancourt to Siverek | 1,991.36 mi (3,204.79 km) |
| Boulogne-Billancourt to Sivrice | 1,964.17 mi (3,161.03 km) |
| Boulogne-Billancourt to Sivrihisar | 1,577.97 mi (2,539.49 km) |
| Boulogne-Billancourt to Sogut | 1,496.20 mi (2,407.90 km) |
| Boulogne-Billancourt to Sogutlu | 1,477.07 mi (2,377.11 km) |
| Boulogne-Billancourt to Soke | 1,469.07 mi (2,364.25 km) |
| Boulogne-Billancourt to Solhan | 2,023.30 mi (3,256.19 km) |
| Boulogne-Billancourt to Soma | 1,416.49 mi (2,279.62 km) |
| Boulogne-Billancourt to Sorgun | 1,727.34 mi (2,779.89 km) |
| Boulogne-Billancourt to Suhut | 1,570.78 mi (2,527.92 km) |
