| Ortenberg to Devnya | 1,001.18 mi (1,611.24 km) |
| Ortenberg to Dimitrovgrad | 973.82 mi (1,567.22 km) |
| Ortenberg to Dobrich | 998.15 mi (1,606.36 km) |
| Ortenberg to Dospat | 939.12 mi (1,511.38 km) |
| Ortenberg to Dupnitsa | 870.97 mi (1,401.70 km) |
| Ortenberg to Elhovo | 1,005.95 mi (1,618.92 km) |
| Ortenberg to Etropole | 876.89 mi (1,411.22 km) |
| Ortenberg to Gabrovo | 926.74 mi (1,491.44 km) |
| Ortenberg to Gorna Oryahovitsa | 929.59 mi (1,496.04 km) |
| Ortenberg to Gotse Delchev | 927.50 mi (1,492.67 km) |
| Ortenberg to Harmanli | 990.69 mi (1,594.36 km) |
| Ortenberg to Haskovo | 977.94 mi (1,573.84 km) |
| Ortenberg to Ihtiman | 888.39 mi (1,429.73 km) |
| Ortenberg to Isperih | 951.18 mi (1,530.77 km) |
| Ortenberg to Kardzhali | 983.64 mi (1,583.01 km) |
