| Korbach to Devnya | 1,034.61 mi (1,665.04 km) |
| Korbach to Dimitrovgrad | 1,013.98 mi (1,631.84 km) |
| Korbach to Dobrich | 1,030.06 mi (1,657.71 km) |
| Korbach to Dospat | 982.91 mi (1,581.85 km) |
| Korbach to Dupnitsa | 915.26 mi (1,472.96 km) |
| Korbach to Elhovo | 1,044.08 mi (1,680.28 km) |
| Korbach to Etropole | 917.92 mi (1,477.25 km) |
| Korbach to Gabrovo | 965.15 mi (1,553.26 km) |
| Korbach to Gorna Oryahovitsa | 966.55 mi (1,555.50 km) |
| Korbach to Gotse Delchev | 972.30 mi (1,564.76 km) |
| Korbach to Harmanli | 1,030.60 mi (1,658.60 km) |
| Korbach to Haskovo | 1,018.46 mi (1,639.05 km) |
| Korbach to Ihtiman | 930.87 mi (1,498.09 km) |
| Korbach to Isperih | 984.30 mi (1,584.08 km) |
| Korbach to Kardzhali | 1,025.22 mi (1,649.93 km) |
