| Brent to Popovo | 5,828.29 mi (9,379.72 km) |
| Brent to Provadia | 5,883.05 mi (9,467.86 km) |
| Brent to Radnevo | 5,860.22 mi (9,431.11 km) |
| Brent to Radomir | 5,727.43 mi (9,217.41 km) |
| Brent to Rakitovo | 5,797.34 mi (9,329.91 km) |
| Brent to Rakovski | 5,821.19 mi (9,368.30 km) |
| Brent to Razgrad | 5,831.86 mi (9,385.47 km) |
| Brent to Razlog | 5,775.75 mi (9,295.16 km) |
| Brent to Ruse | 5,797.36 mi (9,329.95 km) |
| Brent to Samokov | 5,761.10 mi (9,271.59 km) |
| Brent to Sandanski | 5,780.75 mi (9,303.22 km) |
| Brent to Sevlievo | 5,796.77 mi (9,329.00 km) |
| Brent to Shumen | 5,858.97 mi (9,429.10 km) |
| Brent to Silistra | 5,836.44 mi (9,392.84 km) |
| Brent to Sliven | 5,860.32 mi (9,431.27 km) |
