| Boortmeerbeek to Siran | 1,808.61 mi (2,910.68 km) |
| Boortmeerbeek to Sirnak | 2,063.11 mi (3,320.26 km) |
| Boortmeerbeek to Sirvan | 2,021.25 mi (3,252.88 km) |
| Boortmeerbeek to Sivas | 1,737.06 mi (2,795.52 km) |
| Boortmeerbeek to Sivasli | 1,493.24 mi (2,403.14 km) |
| Boortmeerbeek to Siverek | 1,920.07 mi (3,090.06 km) |
| Boortmeerbeek to Sivrice | 1,889.46 mi (3,040.79 km) |
| Boortmeerbeek to Sivrihisar | 1,522.67 mi (2,450.51 km) |
| Boortmeerbeek to Sogut | 1,442.30 mi (2,321.17 km) |
| Boortmeerbeek to Sogutlu | 1,416.11 mi (2,279.01 km) |
| Boortmeerbeek to Soke | 1,441.79 mi (2,320.34 km) |
| Boortmeerbeek to Solhan | 1,941.30 mi (3,124.23 km) |
| Boortmeerbeek to Soma | 1,378.82 mi (2,219.00 km) |
| Boortmeerbeek to Sorgun | 1,657.53 mi (2,667.54 km) |
| Boortmeerbeek to Suhut | 1,525.02 mi (2,454.28 km) |
