| Difficult Run to Boppard | 4,022.81 mi (6,474.09 km) |
| Difficult Run to Borgentreich | 4,050.61 mi (6,518.82 km) |
| Difficult Run to Borgholzhausen | 3,998.55 mi (6,435.04 km) |
| Difficult Run to Borken | 3,949.75 mi (6,356.51 km) |
| Difficult Run to Borna | 4,190.51 mi (6,743.97 km) |
| Difficult Run to Bornheim | 3,984.50 mi (6,412.43 km) |
| Difficult Run to Bosel | 3,960.51 mi (6,373.82 km) |
| Difficult Run to Bottrop | 3,960.28 mi (6,373.46 km) |
| Difficult Run to Bovenden | 4,076.16 mi (6,559.95 km) |
| Difficult Run to Brackenheim | 4,116.16 mi (6,624.31 km) |
| Difficult Run to Brake | 3,971.87 mi (6,392.11 km) |
| Difficult Run to Brakel | 4,043.71 mi (6,507.73 km) |
| Difficult Run to Bramsche | 3,978.02 mi (6,402.00 km) |
| Difficult Run to Brand | 3,951.06 mi (6,358.62 km) |
| Difficult Run to Brand-Erbisdorf | 4,230.13 mi (6,807.73 km) |
