| Silleda to Popovo | 1,729.06 mi (2,782.66 km) |
| Silleda to Provadia | 1,790.52 mi (2,881.57 km) |
| Silleda to Radnevo | 1,728.71 mi (2,782.09 km) |
| Silleda to Radomir | 1,576.26 mi (2,536.74 km) |
| Silleda to Rakitovo | 1,641.03 mi (2,640.98 km) |
| Silleda to Rakovski | 1,680.59 mi (2,704.64 km) |
| Silleda to Razgrad | 1,740.76 mi (2,801.49 km) |
| Silleda to Razlog | 1,611.64 mi (2,593.68 km) |
| Silleda to Ruse | 1,709.64 mi (2,751.39 km) |
| Silleda to Samokov | 1,609.42 mi (2,590.12 km) |
| Silleda to Sandanski | 1,607.31 mi (2,586.72 km) |
| Silleda to Sevlievo | 1,677.75 mi (2,700.08 km) |
| Silleda to Shumen | 1,764.49 mi (2,839.68 km) |
| Silleda to Silistra | 1,770.44 mi (2,849.24 km) |
| Silleda to Sliven | 1,742.99 mi (2,805.07 km) |
