| Cities | Distance |
|---|
| Birstonas to Popovo | 783.84 mi (1,261.47 km) |
| Birstonas to Provadia | 803.85 mi (1,293.67 km) |
| Birstonas to Radnevo | 854.46 mi (1,375.13 km) |
| Birstonas to Radomir | 834.18 mi (1,342.48 km) |
| Birstonas to Rakitovo | 871.93 mi (1,403.23 km) |
| Birstonas to Rakovski | 851.92 mi (1,371.04 km) |
| Birstonas to Razgrad | 773.00 mi (1,244.02 km) |
| Birstonas to Razlog | 879.19 mi (1,414.93 km) |
| Birstonas to Ruse | 749.82 mi (1,206.72 km) |
| Birstonas to Samokov | 847.74 mi (1,364.31 km) |
| Birstonas to Sandanski | 901.24 mi (1,450.41 km) |
| Birstonas to Sevlievo | 801.42 mi (1,289.77 km) |
| Birstonas to Shumen | 793.01 mi (1,276.23 km) |
| Birstonas to Silistra | 738.80 mi (1,188.99 km) |
| Birstonas to Sliven | 830.18 mi (1,336.04 km) |
