| Oberhausen to Popovo | 1,060.94 mi (1,707.42 km) |
| Oberhausen to Provadia | 1,115.38 mi (1,795.04 km) |
| Oberhausen to Radnevo | 1,096.37 mi (1,764.44 km) |
| Oberhausen to Radomir | 973.90 mi (1,567.35 km) |
| Oberhausen to Rakitovo | 1,042.58 mi (1,677.87 km) |
| Oberhausen to Rakovski | 1,060.45 mi (1,706.62 km) |
| Oberhausen to Razgrad | 1,064.22 mi (1,712.70 km) |
| Oberhausen to Razlog | 1,025.29 mi (1,650.04 km) |
| Oberhausen to Ruse | 1,029.73 mi (1,657.19 km) |
| Oberhausen to Samokov | 1,006.17 mi (1,619.27 km) |
| Oberhausen to Sandanski | 1,034.56 mi (1,664.97 km) |
| Oberhausen to Sevlievo | 1,031.96 mi (1,660.78 km) |
| Oberhausen to Shumen | 1,091.34 mi (1,756.34 km) |
| Oberhausen to Silistra | 1,069.73 mi (1,721.56 km) |
| Oberhausen to Sliven | 1,094.23 mi (1,761.00 km) |
