| Forest to Provadia | 1,203.03 mi (1,936.10 km) |
| Forest to Radnevo | 1,176.84 mi (1,893.94 km) |
| Forest to Radomir | 1,046.83 mi (1,684.72 km) |
| Forest to Rakitovo | 1,116.43 mi (1,796.72 km) |
| Forest to Rakovski | 1,138.26 mi (1,831.85 km) |
| Forest to Razgrad | 1,151.32 mi (1,852.87 km) |
| Forest to Razlog | 1,096.73 mi (1,765.02 km) |
| Forest to Ruse | 1,116.82 mi (1,797.35 km) |
| Forest to Samokov | 1,080.02 mi (1,738.12 km) |
| Forest to Sandanski | 1,103.95 mi (1,776.63 km) |
| Forest to Sevlievo | 1,113.46 mi (1,791.94 km) |
| Forest to Shumen | 1,178.31 mi (1,896.31 km) |
| Forest to Silistra | 1,160.81 mi (1,868.14 km) |
| Forest to Sliven | 1,177.32 mi (1,894.72 km) |
| Forest to Smolyan | 1,158.54 mi (1,864.49 km) |
