| Osternienburg to Popovo | 880.40 mi (1,416.87 km) |
| Osternienburg to Provadia | 930.76 mi (1,497.91 km) |
| Osternienburg to Radnevo | 924.42 mi (1,487.71 km) |
| Osternienburg to Radomir | 818.01 mi (1,316.46 km) |
| Osternienburg to Rakitovo | 883.46 mi (1,421.79 km) |
| Osternienburg to Rakovski | 893.82 mi (1,438.47 km) |
| Osternienburg to Razgrad | 881.18 mi (1,418.12 km) |
| Osternienburg to Razlog | 870.95 mi (1,401.65 km) |
| Osternienburg to Ruse | 847.18 mi (1,363.40 km) |
| Osternienburg to Samokov | 847.84 mi (1,364.46 km) |
| Osternienburg to Sandanski | 883.81 mi (1,422.35 km) |
| Osternienburg to Sevlievo | 859.24 mi (1,382.81 km) |
| Osternienburg to Shumen | 908.15 mi (1,461.53 km) |
| Osternienburg to Silistra | 879.86 mi (1,415.99 km) |
| Osternienburg to Sliven | 917.72 mi (1,476.93 km) |
