| Boulder to Sprimont | 4,919.16 mi (7,916.63 km) |
| Boulder to Stabroek | 4,838.73 mi (7,787.18 km) |
| Boulder to Staden | 4,809.26 mi (7,739.76 km) |
| Boulder to Steenokkerzeel | 4,861.83 mi (7,824.36 km) |
| Boulder to Stekene | 4,833.55 mi (7,778.84 km) |
| Boulder to Strombeek-Bever | 4,856.94 mi (7,816.49 km) |
| Boulder to Temse | 4,842.78 mi (7,793.70 km) |
| Boulder to Ternat | 4,853.29 mi (7,810.62 km) |
| Boulder to Tervuren | 4,866.10 mi (7,831.23 km) |
| Boulder to Tessenderlo | 4,874.40 mi (7,844.58 km) |
| Boulder to Theux | 4,922.45 mi (7,921.92 km) |
| Boulder to Thuin | 4,880.34 mi (7,854.15 km) |
| Boulder to Tielt | 4,818.70 mi (7,754.95 km) |
| Boulder to Tienen | 4,881.28 mi (7,855.67 km) |
| Boulder to Tongeren | 4,899.79 mi (7,885.46 km) |
