| Bollnas to Devnya | 1,334.43 mi (2,147.55 km) |
| Bollnas to Dimitrovgrad | 1,387.25 mi (2,232.56 km) |
| Bollnas to Dobrich | 1,315.09 mi (2,116.43 km) |
| Bollnas to Dospat | 1,399.15 mi (2,251.71 km) |
| Bollnas to Dupnitsa | 1,347.75 mi (2,169.00 km) |
| Bollnas to Elhovo | 1,391.05 mi (2,238.67 km) |
| Bollnas to Etropole | 1,317.26 mi (2,119.93 km) |
| Bollnas to Gabrovo | 1,329.21 mi (2,139.16 km) |
| Bollnas to Gorna Oryahovitsa | 1,315.59 mi (2,117.24 km) |
| Bollnas to Gotse Delchev | 1,400.73 mi (2,254.26 km) |
| Bollnas to Harmanli | 1,398.59 mi (2,250.81 km) |
| Bollnas to Haskovo | 1,394.73 mi (2,244.60 km) |
| Bollnas to Ihtiman | 1,342.34 mi (2,160.29 km) |
| Bollnas to Isperih | 1,291.07 mi (2,077.78 km) |
| Bollnas to Kardzhali | 1,411.59 mi (2,271.74 km) |
