| Bree to Provadia | 1,158.04 mi (1,863.68 km) |
| Bree to Radnevo | 1,135.13 mi (1,826.82 km) |
| Bree to Radomir | 1,008.49 mi (1,623.01 km) |
| Bree to Rakitovo | 1,077.73 mi (1,734.45 km) |
| Bree to Rakovski | 1,097.74 mi (1,766.65 km) |
| Bree to Razgrad | 1,106.54 mi (1,780.81 km) |
| Bree to Razlog | 1,059.13 mi (1,704.51 km) |
| Bree to Ruse | 1,072.02 mi (1,725.25 km) |
| Bree to Samokov | 1,041.28 mi (1,675.79 km) |
| Bree to Sandanski | 1,067.32 mi (1,717.68 km) |
| Bree to Sevlievo | 1,071.22 mi (1,723.97 km) |
| Bree to Shumen | 1,133.61 mi (1,824.37 km) |
| Bree to Silistra | 1,114.22 mi (1,793.16 km) |
| Bree to Sliven | 1,134.41 mi (1,825.65 km) |
| Bree to Smolyan | 1,119.83 mi (1,802.20 km) |
