| Difficult Run to Bahce | 5,709.33 mi (9,188.28 km) |
| Difficult Run to Bahcesaray | 5,900.49 mi (9,495.91 km) |
| Difficult Run to Balikesir | 5,246.18 mi (8,442.91 km) |
| Difficult Run to Balya | 5,228.72 mi (8,414.82 km) |
| Difficult Run to Banaz | 5,362.78 mi (8,630.56 km) |
| Difficult Run to Bandirma | 5,218.29 mi (8,398.02 km) |
| Difficult Run to Bartin | 5,335.03 mi (8,585.91 km) |
| Difficult Run to Baskale | 5,948.68 mi (9,573.47 km) |
| Difficult Run to Baskil | 5,729.54 mi (9,220.80 km) |
| Difficult Run to Basmakci | 5,411.25 mi (8,708.56 km) |
| Difficult Run to Batman | 5,850.58 mi (9,415.60 km) |
| Difficult Run to Battalgazi | 5,719.28 mi (9,204.30 km) |
| Difficult Run to Bayat | 5,455.13 mi (8,779.19 km) |
| Difficult Run to Bayburt | 5,698.61 mi (9,171.02 km) |
| Difficult Run to Bayindir | 5,298.35 mi (8,526.88 km) |
