| Silkeborg to Popovo | 1,151.57 mi (1,853.27 km) |
| Silkeborg to Provadia | 1,195.24 mi (1,923.55 km) |
| Silkeborg to Radnevo | 1,204.40 mi (1,938.29 km) |
| Silkeborg to Radomir | 1,114.03 mi (1,792.85 km) |
| Silkeborg to Rakitovo | 1,175.86 mi (1,892.36 km) |
| Silkeborg to Rakovski | 1,179.66 mi (1,898.48 km) |
| Silkeborg to Razgrad | 1,149.09 mi (1,849.28 km) |
| Silkeborg to Razlog | 1,167.10 mi (1,878.26 km) |
| Silkeborg to Ruse | 1,116.66 mi (1,797.10 km) |
| Silkeborg to Samokov | 1,141.50 mi (1,837.06 km) |
| Silkeborg to Sandanski | 1,182.17 mi (1,902.52 km) |
| Silkeborg to Sevlievo | 1,139.86 mi (1,834.42 km) |
| Silkeborg to Shumen | 1,175.18 mi (1,891.27 km) |
| Silkeborg to Silistra | 1,137.88 mi (1,831.25 km) |
| Silkeborg to Sliven | 1,192.84 mi (1,919.69 km) |
