| Oldenburg to Popovo | 1,064.97 mi (1,713.90 km) |
| Oldenburg to Provadia | 1,115.66 mi (1,795.48 km) |
| Oldenburg to Radnevo | 1,107.86 mi (1,782.93 km) |
| Oldenburg to Radomir | 997.53 mi (1,605.36 km) |
| Oldenburg to Rakitovo | 1,064.03 mi (1,712.40 km) |
| Oldenburg to Rakovski | 1,076.19 mi (1,731.97 km) |
| Oldenburg to Razgrad | 1,065.96 mi (1,715.49 km) |
| Oldenburg to Razlog | 1,050.18 mi (1,690.11 km) |
| Oldenburg to Ruse | 1,031.90 mi (1,660.68 km) |
| Oldenburg to Samokov | 1,028.11 mi (1,654.58 km) |
| Oldenburg to Sandanski | 1,062.03 mi (1,709.17 km) |
| Oldenburg to Sevlievo | 1,042.71 mi (1,678.09 km) |
| Oldenburg to Shumen | 1,092.96 mi (1,758.95 km) |
| Oldenburg to Silistra | 1,064.85 mi (1,713.72 km) |
| Oldenburg to Sliven | 1,101.85 mi (1,773.26 km) |
