| Drobak to Devnya | 1,341.75 mi (2,159.34 km) |
| Drobak to Dimitrovgrad | 1,373.88 mi (2,211.05 km) |
| Drobak to Dobrich | 1,326.14 mi (2,134.21 km) |
| Drobak to Dospat | 1,372.63 mi (2,209.03 km) |
| Drobak to Dupnitsa | 1,314.30 mi (2,115.16 km) |
| Drobak to Elhovo | 1,385.99 mi (2,230.53 km) |
| Drobak to Etropole | 1,293.18 mi (2,081.18 km) |
| Drobak to Gabrovo | 1,316.60 mi (2,118.86 km) |
| Drobak to Gorna Oryahovitsa | 1,307.09 mi (2,103.57 km) |
| Drobak to Gotse Delchev | 1,370.36 mi (2,205.39 km) |
| Drobak to Harmanli | 1,387.26 mi (2,232.58 km) |
| Drobak to Haskovo | 1,380.68 mi (2,221.99 km) |
| Drobak to Ihtiman | 1,315.37 mi (2,116.89 km) |
| Drobak to Isperih | 1,294.54 mi (2,083.35 km) |
| Drobak to Kardzhali | 1,394.93 mi (2,244.93 km) |
