| Hirson to Devnya | 1,201.42 mi (1,933.51 km) |
| Hirson to Dimitrovgrad | 1,161.56 mi (1,869.35 km) |
| Hirson to Dobrich | 1,200.78 mi (1,932.46 km) |
| Hirson to Dospat | 1,118.57 mi (1,800.17 km) |
| Hirson to Dupnitsa | 1,049.98 mi (1,689.79 km) |
| Hirson to Elhovo | 1,197.67 mi (1,927.46 km) |
| Hirson to Etropole | 1,063.68 mi (1,711.83 km) |
| Hirson to Gabrovo | 1,118.57 mi (1,800.17 km) |
| Hirson to Gorna Oryahovitsa | 1,124.23 mi (1,809.27 km) |
| Hirson to Gotse Delchev | 1,104.43 mi (1,777.40 km) |
| Hirson to Harmanli | 1,178.79 mi (1,897.08 km) |
| Hirson to Haskovo | 1,164.84 mi (1,874.63 km) |
| Hirson to Ihtiman | 1,071.71 mi (1,724.75 km) |
| Hirson to Isperih | 1,152.23 mi (1,854.34 km) |
| Hirson to Kardzhali | 1,168.04 mi (1,879.77 km) |
