| Birstonas to Devnya | 802.75 mi (1,291.90 km) |
| Birstonas to Dimitrovgrad | 870.29 mi (1,400.59 km) |
| Birstonas to Dobrich | 781.50 mi (1,257.70 km) |
| Birstonas to Dospat | 894.98 mi (1,440.33 km) |
| Birstonas to Dupnitsa | 853.44 mi (1,373.48 km) |
| Birstonas to Elhovo | 867.01 mi (1,395.31 km) |
| Birstonas to Etropole | 813.19 mi (1,308.71 km) |
| Birstonas to Gabrovo | 813.05 mi (1,308.48 km) |
| Birstonas to Gorna Oryahovitsa | 796.07 mi (1,281.15 km) |
| Birstonas to Gotse Delchev | 900.80 mi (1,449.70 km) |
| Birstonas to Harmanli | 879.55 mi (1,415.50 km) |
| Birstonas to Haskovo | 878.20 mi (1,413.33 km) |
| Birstonas to Ihtiman | 840.60 mi (1,352.81 km) |
| Birstonas to Isperih | 762.66 mi (1,227.38 km) |
| Birstonas to Kardzhali | 897.06 mi (1,443.68 km) |
