| Brussels to Siran | 1,816.06 mi (2,922.66 km) |
| Brussels to Sirnak | 2,070.34 mi (3,331.88 km) |
| Brussels to Sirvan | 2,028.55 mi (3,264.64 km) |
| Brussels to Sivas | 1,743.91 mi (2,806.56 km) |
| Brussels to Sivasli | 1,497.66 mi (2,410.24 km) |
| Brussels to Siverek | 1,926.72 mi (3,100.76 km) |
| Brussels to Sivrice | 1,896.35 mi (3,051.87 km) |
| Brussels to Sivrihisar | 1,528.06 mi (2,459.17 km) |
| Brussels to Sogut | 1,447.55 mi (2,329.61 km) |
| Brussels to Sogutlu | 1,421.85 mi (2,288.25 km) |
| Brussels to Soke | 1,445.11 mi (2,325.69 km) |
| Brussels to Solhan | 1,948.71 mi (3,136.15 km) |
| Brussels to Soma | 1,382.86 mi (2,225.51 km) |
| Brussels to Sorgun | 1,664.00 mi (2,677.95 km) |
| Brussels to Suhut | 1,529.72 mi (2,461.84 km) |
