| Quakenbruck to Karlovo | 1,042.00 mi (1,676.93 km) |
| Quakenbruck to Karnobat | 1,119.12 mi (1,801.05 km) |
| Quakenbruck to Kavarna | 1,131.02 mi (1,820.20 km) |
| Quakenbruck to Kazanlak | 1,063.85 mi (1,712.11 km) |
| Quakenbruck to Knezha | 973.83 mi (1,567.23 km) |
| Quakenbruck to Kostinbrod | 979.46 mi (1,576.29 km) |
| Quakenbruck to Kozloduy | 947.59 mi (1,525.00 km) |
| Quakenbruck to Kyustendil | 990.58 mi (1,594.18 km) |
| Quakenbruck to Levski | 1,017.21 mi (1,637.04 km) |
| Quakenbruck to Lom | 928.39 mi (1,494.09 km) |
| Quakenbruck to Lovech | 1,014.09 mi (1,632.03 km) |
| Quakenbruck to Lukovit | 991.77 mi (1,596.10 km) |
| Quakenbruck to Lyaskovets | 1,050.98 mi (1,691.38 km) |
| Quakenbruck to Mezdra | 978.38 mi (1,574.55 km) |
| Quakenbruck to Momchilgrad | 1,120.13 mi (1,802.68 km) |
