| Difficult Run to Sprimont | 3,937.67 mi (6,337.06 km) |
| Difficult Run to Stabroek | 3,863.46 mi (6,217.63 km) |
| Difficult Run to Staden | 3,817.85 mi (6,144.23 km) |
| Difficult Run to Steenokkerzeel | 3,879.78 mi (6,243.90 km) |
| Difficult Run to Stekene | 3,853.43 mi (6,201.49 km) |
| Difficult Run to Strombeek-Bever | 3,873.61 mi (6,233.97 km) |
| Difficult Run to Temse | 3,862.26 mi (6,215.71 km) |
| Difficult Run to Ternat | 3,867.97 mi (6,224.90 km) |
| Difficult Run to Tervuren | 3,882.08 mi (6,247.61 km) |
| Difficult Run to Tessenderlo | 3,899.29 mi (6,275.30 km) |
| Difficult Run to Theux | 3,942.66 mi (6,345.10 km) |
| Difficult Run to Thuin | 3,885.83 mi (6,253.63 km) |
| Difficult Run to Tielt | 3,829.88 mi (6,163.60 km) |
| Difficult Run to Tienen | 3,900.04 mi (6,276.51 km) |
| Difficult Run to Tongeren | 3,921.97 mi (6,311.80 km) |
