| Koblenz to Devnya | 1,061.19 mi (1,707.81 km) |
| Koblenz to Dimitrovgrad | 1,030.51 mi (1,658.45 km) |
| Koblenz to Dobrich | 1,058.75 mi (1,703.89 km) |
| Koblenz to Dospat | 993.49 mi (1,598.87 km) |
| Koblenz to Dupnitsa | 925.09 mi (1,488.79 km) |
| Koblenz to Elhovo | 1,063.74 mi (1,711.93 km) |
| Koblenz to Etropole | 933.18 mi (1,501.81 km) |
| Koblenz to Gabrovo | 984.47 mi (1,584.35 km) |
| Koblenz to Gorna Oryahovitsa | 988.08 mi (1,590.15 km) |
| Koblenz to Gotse Delchev | 981.14 mi (1,579.00 km) |
| Koblenz to Harmanli | 1,047.49 mi (1,685.78 km) |
| Koblenz to Haskovo | 1,034.41 mi (1,664.72 km) |
| Koblenz to Ihtiman | 943.75 mi (1,518.81 km) |
| Koblenz to Isperih | 1,011.35 mi (1,627.61 km) |
| Koblenz to Kardzhali | 1,039.43 mi (1,672.80 km) |
