| Cities | Distance |
|---|
| Sonneberg to Popovo | 858.17 mi (1,381.09 km) |
| Sonneberg to Provadia | 912.33 mi (1,468.25 km) |
| Sonneberg to Radnevo | 894.89 mi (1,440.19 km) |
| Sonneberg to Radomir | 776.15 mi (1,249.09 km) |
| Sonneberg to Rakitovo | 844.08 mi (1,358.41 km) |
| Sonneberg to Rakovski | 860.03 mi (1,384.09 km) |
| Sonneberg to Razgrad | 861.24 mi (1,386.03 km) |
| Sonneberg to Razlog | 828.18 mi (1,332.83 km) |
| Sonneberg to Ruse | 826.76 mi (1,330.55 km) |
| Sonneberg to Samokov | 807.79 mi (1,300.02 km) |
| Sonneberg to Sandanski | 838.67 mi (1,349.71 km) |
| Sonneberg to Sevlievo | 830.24 mi (1,336.14 km) |
| Sonneberg to Shumen | 888.36 mi (1,429.68 km) |
| Sonneberg to Silistra | 866.60 mi (1,394.66 km) |
| Sonneberg to Sliven | 891.99 mi (1,435.51 km) |
