| Herk-de-Stad to Nova Zagora | 1,141.33 mi (1,836.80 km) |
| Herk-de-Stad to Novi Iskar | 1,022.37 mi (1,645.35 km) |
| Herk-de-Stad to Novi Pazar | 1,154.53 mi (1,858.04 km) |
| Herk-de-Stad to Omurtag | 1,132.36 mi (1,822.35 km) |
| Herk-de-Stad to Panagyurishte | 1,068.21 mi (1,719.11 km) |
| Herk-de-Stad to Parvomay | 1,126.50 mi (1,812.93 km) |
| Herk-de-Stad to Pavlikeni | 1,081.99 mi (1,741.29 km) |
| Herk-de-Stad to Pazardzhik | 1,087.39 mi (1,749.99 km) |
| Herk-de-Stad to Pernik | 1,018.98 mi (1,639.89 km) |
| Herk-de-Stad to Peshtera | 1,093.58 mi (1,759.95 km) |
| Herk-de-Stad to Petrich | 1,081.45 mi (1,740.43 km) |
| Herk-de-Stad to Pleven | 1,046.87 mi (1,684.78 km) |
| Herk-de-Stad to Plovdiv | 1,105.93 mi (1,779.82 km) |
| Herk-de-Stad to Pomorie | 1,203.10 mi (1,936.20 km) |
| Herk-de-Stad to Popovo | 1,114.77 mi (1,794.04 km) |
