| Birzai to Devnya | 905.65 mi (1,457.50 km) |
| Birzai to Dimitrovgrad | 978.41 mi (1,574.59 km) |
| Birzai to Dobrich | 883.38 mi (1,421.66 km) |
| Birzai to Dospat | 1,005.65 mi (1,618.43 km) |
| Birzai to Dupnitsa | 965.55 mi (1,553.91 km) |
| Birzai to Elhovo | 972.98 mi (1,565.87 km) |
| Birzai to Etropole | 924.15 mi (1,487.27 km) |
| Birzai to Gabrovo | 921.60 mi (1,483.18 km) |
| Birzai to Gorna Oryahovitsa | 903.80 mi (1,454.52 km) |
| Birzai to Gotse Delchev | 1,012.09 mi (1,628.80 km) |
| Birzai to Harmanli | 987.07 mi (1,588.54 km) |
| Birzai to Haskovo | 986.41 mi (1,587.47 km) |
| Birzai to Ihtiman | 951.81 mi (1,531.79 km) |
| Birzai to Isperih | 867.37 mi (1,395.89 km) |
| Birzai to Kardzhali | 1,005.69 mi (1,618.50 km) |
