| Cities | Distance |
|---|---|
| Birzai to Popovo | 890.26 mi (1,432.73 km) |
| Birzai to Provadia | 907.15 mi (1,459.92 km) |
| Birzai to Radnevo | 961.84 mi (1,547.93 km) |
| Birzai to Radomir | 946.51 mi (1,523.26 km) |
| Birzai to Rakitovo | 982.73 mi (1,581.55 km) |
| Birzai to Rakovski | 961.25 mi (1,546.98 km) |
| Birzai to Razgrad | 878.64 mi (1,414.03 km) |
| Birzai to Razlog | 990.85 mi (1,594.62 km) |
| Birzai to Ruse | 856.80 mi (1,378.88 km) |
| Birzai to Samokov | 959.31 mi (1,543.86 km) |
| Birzai to Sandanski | 1,013.10 mi (1,630.43 km) |
| Birzai to Sevlievo | 910.40 mi (1,465.15 km) |
| Birzai to Shumen | 897.65 mi (1,444.63 km) |
| Birzai to Silistra | 842.06 mi (1,355.16 km) |
| Birzai to Sliven | 936.55 mi (1,507.24 km) |