| Quakenbruck to Popovo | 1,057.40 mi (1,701.71 km) |
| Quakenbruck to Provadia | 1,109.14 mi (1,784.99 km) |
| Quakenbruck to Radnevo | 1,098.41 mi (1,767.72 km) |
| Quakenbruck to Radomir | 984.83 mi (1,584.93 km) |
| Quakenbruck to Rakitovo | 1,051.98 mi (1,693.00 km) |
| Quakenbruck to Rakovski | 1,065.61 mi (1,714.93 km) |
| Quakenbruck to Razgrad | 1,058.99 mi (1,704.27 km) |
| Quakenbruck to Razlog | 1,037.24 mi (1,669.28 km) |
| Quakenbruck to Ruse | 1,024.77 mi (1,649.20 km) |
| Quakenbruck to Samokov | 1,015.88 mi (1,634.90 km) |
| Quakenbruck to Sandanski | 1,048.46 mi (1,687.33 km) |
| Quakenbruck to Sevlievo | 1,033.36 mi (1,663.04 km) |
| Quakenbruck to Shumen | 1,086.05 mi (1,747.84 km) |
| Quakenbruck to Silistra | 1,059.63 mi (1,705.31 km) |
| Quakenbruck to Sliven | 1,093.39 mi (1,759.65 km) |
