| Bismarck to Popovo | 5,417.20 mi (8,718.15 km) |
| Bismarck to Provadia | 5,460.18 mi (8,787.31 km) |
| Bismarck to Radnevo | 5,468.90 mi (8,801.35 km) |
| Bismarck to Radomir | 5,367.89 mi (8,638.78 km) |
| Bismarck to Rakitovo | 5,433.32 mi (8,744.09 km) |
| Bismarck to Rakovski | 5,441.74 mi (8,757.64 km) |
| Bismarck to Razgrad | 5,414.60 mi (8,713.96 km) |
| Bismarck to Razlog | 5,420.75 mi (8,723.85 km) |
| Bismarck to Ruse | 5,382.29 mi (8,661.95 km) |
| Bismarck to Samokov | 5,397.77 mi (8,686.88 km) |
| Bismarck to Sandanski | 5,433.02 mi (8,743.61 km) |
| Bismarck to Sevlievo | 5,404.02 mi (8,696.93 km) |
| Bismarck to Shumen | 5,440.57 mi (8,755.75 km) |
| Bismarck to Silistra | 5,401.52 mi (8,692.90 km) |
| Bismarck to Sliven | 5,458.27 mi (8,784.24 km) |
