| Difficult Run to Bunde | 4,007.42 mi (6,449.32 km) |
| Difficult Run to Burbach | 4,028.11 mi (6,482.62 km) |
| Difficult Run to Buren | 4,024.33 mi (6,476.53 km) |
| Difficult Run to Burg | 4,130.39 mi (6,647.22 km) |
| Difficult Run to Burgau | 4,190.81 mi (6,744.46 km) |
| Difficult Run to Burgdorf | 4,054.64 mi (6,525.31 km) |
| Difficult Run to Burghausen | 4,298.13 mi (6,917.16 km) |
| Difficult Run to Burgkirchen an der Alz | 4,293.40 mi (6,909.56 km) |
| Difficult Run to Burglengenfeld | 4,232.45 mi (6,811.48 km) |
| Difficult Run to Burgstadt | 4,209.04 mi (6,773.79 km) |
| Difficult Run to Burgthann | 4,198.82 mi (6,757.35 km) |
| Difficult Run to Burladingen | 4,141.90 mi (6,665.74 km) |
| Difficult Run to Burscheid | 3,979.56 mi (6,404.49 km) |
| Difficult Run to Burstadt | 4,074.78 mi (6,557.73 km) |
| Difficult Run to Buttelborn | 4,069.50 mi (6,549.22 km) |
