| Sint-Martens-Lennik to Siran | 1,824.19 mi (2,935.75 km) |
| Sint-Martens-Lennik to Sirnak | 2,078.37 mi (3,344.81 km) |
| Sint-Martens-Lennik to Sirvan | 2,036.62 mi (3,277.63 km) |
| Sint-Martens-Lennik to Sivas | 1,751.79 mi (2,819.23 km) |
| Sint-Martens-Lennik to Sivasli | 1,504.33 mi (2,420.99 km) |
| Sint-Martens-Lennik to Siverek | 1,934.50 mi (3,113.28 km) |
| Sint-Martens-Lennik to Sivrice | 1,904.23 mi (3,064.56 km) |
| Sint-Martens-Lennik to Sivrihisar | 1,535.23 mi (2,470.72 km) |
| Sint-Martens-Lennik to Sogut | 1,454.66 mi (2,341.05 km) |
| Sint-Martens-Lennik to Sogutlu | 1,429.21 mi (2,300.08 km) |
| Sint-Martens-Lennik to Soke | 1,451.20 mi (2,335.49 km) |
| Sint-Martens-Lennik to Solhan | 1,956.82 mi (3,149.20 km) |
| Sint-Martens-Lennik to Soma | 1,389.35 mi (2,235.94 km) |
| Sint-Martens-Lennik to Sorgun | 1,671.70 mi (2,690.34 km) |
| Sint-Martens-Lennik to Suhut | 1,536.54 mi (2,472.83 km) |
