| Oostakker to Provadia | 1,232.06 mi (1,982.81 km) |
| Oostakker to Radnevo | 1,206.72 mi (1,942.02 km) |
| Oostakker to Radomir | 1,077.32 mi (1,733.79 km) |
| Oostakker to Rakitovo | 1,146.87 mi (1,845.72 km) |
| Oostakker to Rakovski | 1,168.38 mi (1,880.32 km) |
| Oostakker to Razgrad | 1,180.41 mi (1,899.68 km) |
| Oostakker to Razlog | 1,127.34 mi (1,814.28 km) |
| Oostakker to Ruse | 1,145.90 mi (1,844.14 km) |
| Oostakker to Samokov | 1,110.45 mi (1,787.10 km) |
| Oostakker to Sandanski | 1,134.69 mi (1,826.11 km) |
| Oostakker to Sevlievo | 1,143.21 mi (1,839.82 km) |
| Oostakker to Shumen | 1,207.42 mi (1,943.16 km) |
| Oostakker to Silistra | 1,189.31 mi (1,914.02 km) |
| Oostakker to Sliven | 1,206.92 mi (1,942.35 km) |
| Oostakker to Smolyan | 1,188.98 mi (1,913.48 km) |
