| Brussels to Siegburg | 124.51 mi (200.37 km) |
| Brussels to Siegen | 159.79 mi (257.16 km) |
| Brussels to Sigmaringen | 289.83 mi (466.44 km) |
| Brussels to Simbach am Inn | 426.95 mi (687.10 km) |
| Brussels to Simmerath | 86.86 mi (139.78 km) |
| Brussels to Sindelfingen | 254.43 mi (409.46 km) |
| Brussels to Sinsheim | 229.25 mi (368.94 km) |
| Brussels to Sinzheim | 222.84 mi (358.63 km) |
| Brussels to Sinzig | 128.58 mi (206.94 km) |
| Brussels to Soest | 170.12 mi (273.78 km) |
| Brussels to Solingen | 120.76 mi (194.34 km) |
| Brussels to Soltau | 276.21 mi (444.52 km) |
| Brussels to Sommerda | 294.80 mi (474.44 km) |
| Brussels to Sondershausen | 284.78 mi (458.30 km) |
| Brussels to Sonneberg | 300.71 mi (483.94 km) |
