| Difficult Run to Bucak | 5,455.04 mi (8,779.04 km) |
| Difficult Run to Buharkent | 5,355.49 mi (8,618.82 km) |
| Difficult Run to Bulancak | 5,591.93 mi (8,999.34 km) |
| Difficult Run to Bulanik | 5,831.59 mi (9,385.04 km) |
| Difficult Run to Buldan | 5,355.47 mi (8,618.80 km) |
| Difficult Run to Bunyan | 5,601.95 mi (9,015.47 km) |
| Difficult Run to Burdur | 5,430.36 mi (8,739.31 km) |
| Difficult Run to Burhaniye | 5,213.38 mi (8,390.12 km) |
| Difficult Run to Bursa | 5,269.69 mi (8,480.75 km) |
| Difficult Run to Buyukcekmece | 5,213.76 mi (8,390.73 km) |
| Difficult Run to Buyukorhan | 5,283.42 mi (8,502.85 km) |
| Difficult Run to Buyukyoncali | 5,171.94 mi (8,323.43 km) |
| Difficult Run to Caglayancerit | 5,710.58 mi (9,190.29 km) |
| Difficult Run to Cal | 5,377.37 mi (8,654.03 km) |
| Difficult Run to Caldiran | 5,888.68 mi (9,476.92 km) |
