| Difficult Run to Aleksandrow Lodzki | 4,423.95 mi (7,119.66 km) |
| Difficult Run to Andrychow | 4,495.50 mi (7,234.81 km) |
| Difficult Run to Augustow | 4,481.81 mi (7,212.78 km) |
| Difficult Run to Banino | 4,303.17 mi (6,925.28 km) |
| Difficult Run to Barlinek | 4,233.19 mi (6,812.66 km) |
| Difficult Run to Bartoszyce | 4,391.74 mi (7,067.83 km) |
| Difficult Run to Bedzin | 4,469.79 mi (7,193.44 km) |
| Difficult Run to Belchatow | 4,442.29 mi (7,149.18 km) |
| Difficult Run to Biala Podlaska | 4,554.11 mi (7,329.13 km) |
| Difficult Run to Bialogard | 4,229.76 mi (6,807.14 km) |
| Difficult Run to Bialy Kamien | 4,345.64 mi (6,993.63 km) |
| Difficult Run to Bialystok | 4,513.83 mi (7,264.31 km) |
| Difficult Run to Bielawa | 4,362.22 mi (7,020.31 km) |
| Difficult Run to Bielsk Podlaski | 4,529.51 mi (7,289.54 km) |
| Difficult Run to Bielsko-Biala | 4,485.38 mi (7,218.52 km) |
