| Ulft to Popovo | 1,091.41 mi (1,756.45 km) |
| Ulft to Provadia | 1,145.41 mi (1,843.37 km) |
| Ulft to Radnevo | 1,127.74 mi (1,814.92 km) |
| Ulft to Radomir | 1,006.41 mi (1,619.66 km) |
| Ulft to Rakitovo | 1,074.93 mi (1,729.93 km) |
| Ulft to Rakovski | 1,092.25 mi (1,757.80 km) |
| Ulft to Razgrad | 1,094.40 mi (1,761.27 km) |
| Ulft to Razlog | 1,057.94 mi (1,702.59 km) |
| Ulft to Ruse | 1,059.94 mi (1,705.80 km) |
| Ulft to Samokov | 1,038.54 mi (1,671.37 km) |
| Ulft to Sandanski | 1,067.44 mi (1,717.87 km) |
| Ulft to Sevlievo | 1,063.20 mi (1,711.06 km) |
| Ulft to Shumen | 1,121.52 mi (1,804.92 km) |
| Ulft to Silistra | 1,099.02 mi (1,768.71 km) |
| Ulft to Sliven | 1,125.16 mi (1,810.77 km) |
