| Balassagyarmat to Devnya | 521.50 mi (839.27 km) |
| Balassagyarmat to Dimitrovgrad | 517.50 mi (832.83 km) |
| Balassagyarmat to Dobrich | 515.47 mi (829.56 km) |
| Balassagyarmat to Dospat | 503.96 mi (811.04 km) |
| Balassagyarmat to Dupnitsa | 442.63 mi (712.34 km) |
| Balassagyarmat to Elhovo | 540.39 mi (869.67 km) |
| Balassagyarmat to Etropole | 428.02 mi (688.82 km) |
| Balassagyarmat to Gabrovo | 463.69 mi (746.24 km) |
| Balassagyarmat to Gorna Oryahovitsa | 460.79 mi (741.57 km) |
| Balassagyarmat to Gotse Delchev | 499.55 mi (803.95 km) |
| Balassagyarmat to Harmanli | 532.88 mi (857.59 km) |
| Balassagyarmat to Haskovo | 523.23 mi (842.06 km) |
| Balassagyarmat to Ihtiman | 447.35 mi (719.94 km) |
| Balassagyarmat to Isperih | 471.05 mi (758.07 km) |
| Balassagyarmat to Kardzhali | 534.15 mi (859.63 km) |
