| Columbia to Karlovo | 5,364.09 mi (8,632.66 km) |
| Columbia to Karnobat | 5,454.11 mi (8,777.54 km) |
| Columbia to Kavarna | 5,475.49 mi (8,811.95 km) |
| Columbia to Kazanlak | 5,389.72 mi (8,673.92 km) |
| Columbia to Knezha | 5,300.24 mi (8,529.91 km) |
| Columbia to Kostinbrod | 5,290.96 mi (8,514.97 km) |
| Columbia to Kozloduy | 5,274.73 mi (8,488.85 km) |
| Columbia to Kyustendil | 5,289.21 mi (8,512.16 km) |
| Columbia to Levski | 5,348.68 mi (8,607.87 km) |
| Columbia to Lom | 5,252.65 mi (8,453.32 km) |
| Columbia to Lovech | 5,340.81 mi (8,595.21 km) |
| Columbia to Lukovit | 5,315.49 mi (8,554.45 km) |
| Columbia to Lyaskovets | 5,383.29 mi (8,663.57 km) |
| Columbia to Mezdra | 5,298.10 mi (8,526.47 km) |
| Columbia to Momchilgrad | 5,434.09 mi (8,745.33 km) |
