| Herk-de-Stad to Dimitrovgrad | 1,143.85 mi (1,840.86 km) |
| Herk-de-Stad to Dobrich | 1,172.39 mi (1,886.78 km) |
| Herk-de-Stad to Dospat | 1,105.93 mi (1,779.82 km) |
| Herk-de-Stad to Dupnitsa | 1,037.45 mi (1,669.61 km) |
| Herk-de-Stad to Elhovo | 1,177.36 mi (1,894.78 km) |
| Herk-de-Stad to Etropole | 1,046.42 mi (1,684.06 km) |
| Herk-de-Stad to Gabrovo | 1,098.09 mi (1,767.21 km) |
| Herk-de-Stad to Gorna Oryahovitsa | 1,101.81 mi (1,773.20 km) |
| Herk-de-Stad to Gotse Delchev | 1,093.23 mi (1,759.39 km) |
| Herk-de-Stad to Harmanli | 1,160.87 mi (1,868.24 km) |
| Herk-de-Stad to Haskovo | 1,147.68 mi (1,847.01 km) |
| Herk-de-Stad to Ihtiman | 1,056.64 mi (1,700.49 km) |
| Herk-de-Stad to Isperih | 1,125.07 mi (1,810.63 km) |
| Herk-de-Stad to Kardzhali | 1,152.46 mi (1,854.71 km) |
| Herk-de-Stad to Karlovo | 1,086.58 mi (1,748.68 km) |
