| Sonsbeck to Devnya | 1,141.82 mi (1,837.58 km) |
| Sonsbeck to Dimitrovgrad | 1,117.75 mi (1,798.85 km) |
| Sonsbeck to Dobrich | 1,137.80 mi (1,831.12 km) |
| Sonsbeck to Dospat | 1,084.01 mi (1,744.55 km) |
| Sonsbeck to Dupnitsa | 1,015.93 mi (1,634.98 km) |
| Sonsbeck to Elhovo | 1,149.09 mi (1,849.28 km) |
| Sonsbeck to Etropole | 1,021.08 mi (1,643.27 km) |
| Sonsbeck to Gabrovo | 1,069.97 mi (1,721.95 km) |
| Sonsbeck to Gorna Oryahovitsa | 1,072.16 mi (1,725.47 km) |
| Sonsbeck to Gotse Delchev | 1,072.53 mi (1,726.07 km) |
| Sonsbeck to Harmanli | 1,134.54 mi (1,825.86 km) |
| Sonsbeck to Haskovo | 1,122.00 mi (1,805.68 km) |
| Sonsbeck to Ihtiman | 1,032.99 mi (1,662.44 km) |
| Sonsbeck to Isperih | 1,091.61 mi (1,756.77 km) |
| Sonsbeck to Kardzhali | 1,128.03 mi (1,815.38 km) |
