| Siedlce to Sprimont | 724.33 mi (1,165.70 km) |
| Siedlce to Stabroek | 766.08 mi (1,232.89 km) |
| Siedlce to Staden | 828.60 mi (1,333.50 km) |
| Siedlce to Steenokkerzeel | 766.20 mi (1,233.08 km) |
| Siedlce to Stekene | 782.06 mi (1,258.61 km) |
| Siedlce to Strombeek-Bever | 773.05 mi (1,244.11 km) |
| Siedlce to Temse | 776.22 mi (1,249.20 km) |
| Siedlce to Ternat | 780.82 mi (1,256.60 km) |
| Siedlce to Tervuren | 768.22 mi (1,236.32 km) |
| Siedlce to Tessenderlo | 739.23 mi (1,189.67 km) |
| Siedlce to Theux | 717.48 mi (1,154.67 km) |
| Siedlce to Thuin | 786.07 mi (1,265.05 km) |
| Siedlce to Tielt | 815.04 mi (1,311.68 km) |
| Siedlce to Tienen | 750.13 mi (1,207.22 km) |
| Siedlce to Tongeren | 728.02 mi (1,171.64 km) |
