| Burgdorf to Popovo | 975.99 mi (1,570.70 km) |
| Burgdorf to Provadia | 1,026.71 mi (1,652.34 km) |
| Burgdorf to Radnevo | 1,019.06 mi (1,640.02 km) |
| Burgdorf to Radomir | 909.85 mi (1,464.26 km) |
| Burgdorf to Rakitovo | 976.04 mi (1,570.78 km) |
| Burgdorf to Rakovski | 987.67 mi (1,589.50 km) |
| Burgdorf to Razgrad | 976.99 mi (1,572.31 km) |
| Burgdorf to Razlog | 962.61 mi (1,549.17 km) |
| Burgdorf to Ruse | 942.92 mi (1,517.49 km) |
| Burgdorf to Samokov | 940.20 mi (1,513.10 km) |
| Burgdorf to Sandanski | 974.80 mi (1,568.78 km) |
| Burgdorf to Sevlievo | 953.91 mi (1,535.16 km) |
| Burgdorf to Shumen | 1,003.99 mi (1,615.76 km) |
| Burgdorf to Silistra | 976.08 mi (1,570.84 km) |
| Burgdorf to Sliven | 1,012.92 mi (1,630.14 km) |
