| Thuin to Provadia | 1,195.52 mi (1,924.00 km) |
| Thuin to Radnevo | 1,166.76 mi (1,877.71 km) |
| Thuin to Radomir | 1,034.48 mi (1,664.84 km) |
| Thuin to Rakitovo | 1,104.25 mi (1,777.12 km) |
| Thuin to Rakovski | 1,127.33 mi (1,814.26 km) |
| Thuin to Razgrad | 1,143.67 mi (1,840.56 km) |
| Thuin to Razlog | 1,083.83 mi (1,744.26 km) |
| Thuin to Ruse | 1,109.22 mi (1,785.11 km) |
| Thuin to Samokov | 1,067.90 mi (1,718.61 km) |
| Thuin to Sandanski | 1,090.41 mi (1,754.84 km) |
| Thuin to Sevlievo | 1,103.83 mi (1,776.44 km) |
| Thuin to Shumen | 1,170.57 mi (1,883.85 km) |
| Thuin to Silistra | 1,154.69 mi (1,858.30 km) |
| Thuin to Sliven | 1,168.16 mi (1,879.97 km) |
| Thuin to Smolyan | 1,146.32 mi (1,844.83 km) |
