| Mont-de-Marsan to Siran | 2,029.75 mi (3,266.57 km) |
| Mont-de-Marsan to Sirnak | 2,266.39 mi (3,647.41 km) |
| Mont-de-Marsan to Sirvan | 2,229.36 mi (3,587.81 km) |
| Mont-de-Marsan to Sivas | 1,935.92 mi (3,115.56 km) |
| Mont-de-Marsan to Sivasli | 1,603.66 mi (2,580.84 km) |
| Mont-de-Marsan to Siverek | 2,103.52 mi (3,385.30 km) |
| Mont-de-Marsan to Sivrice | 2,083.81 mi (3,353.57 km) |
| Mont-de-Marsan to Sivrihisar | 1,670.85 mi (2,688.98 km) |
| Mont-de-Marsan to Sogut | 1,589.60 mi (2,558.22 km) |
| Mont-de-Marsan to Sogutlu | 1,584.97 mi (2,550.77 km) |
| Mont-de-Marsan to Soke | 1,511.57 mi (2,432.64 km) |
| Mont-de-Marsan to Solhan | 2,156.20 mi (3,470.07 km) |
| Mont-de-Marsan to Soma | 1,481.88 mi (2,384.85 km) |
| Mont-de-Marsan to Sorgun | 1,843.64 mi (2,967.05 km) |
| Mont-de-Marsan to Suhut | 1,645.27 mi (2,647.80 km) |
