| Difficult Run to Montana | 4,896.10 mi (7,879.51 km) |
| Difficult Run to Nova Zagora | 5,047.11 mi (8,122.54 km) |
| Difficult Run to Novi Iskar | 4,926.03 mi (7,927.68 km) |
| Difficult Run to Novi Pazar | 5,058.01 mi (8,140.08 km) |
| Difficult Run to Omurtag | 5,037.53 mi (8,107.12 km) |
| Difficult Run to Panagyurishte | 4,972.41 mi (8,002.32 km) |
| Difficult Run to Parvomay | 5,031.22 mi (8,096.96 km) |
| Difficult Run to Pavlikeni | 4,987.70 mi (8,026.93 km) |
| Difficult Run to Pazardzhik | 4,990.95 mi (8,032.16 km) |
| Difficult Run to Pernik | 4,921.18 mi (7,919.87 km) |
| Difficult Run to Peshtera | 4,996.50 mi (8,041.08 km) |
| Difficult Run to Petrich | 4,977.60 mi (8,010.67 km) |
| Difficult Run to Pleven | 4,952.66 mi (7,970.54 km) |
| Difficult Run to Plovdiv | 5,010.08 mi (8,062.94 km) |
| Difficult Run to Pomorie | 5,108.02 mi (8,220.57 km) |
