| Cockermouth to Karlovo | 1,514.70 mi (2,437.67 km) |
| Cockermouth to Karnobat | 1,596.82 mi (2,569.83 km) |
| Cockermouth to Kavarna | 1,612.19 mi (2,594.57 km) |
| Cockermouth to Kazanlak | 1,538.05 mi (2,475.25 km) |
| Cockermouth to Knezha | 1,447.81 mi (2,330.03 km) |
| Cockermouth to Kostinbrod | 1,447.76 mi (2,329.94 km) |
| Cockermouth to Kozloduy | 1,421.73 mi (2,288.05 km) |
| Cockermouth to Kyustendil | 1,454.08 mi (2,340.11 km) |
| Cockermouth to Levski | 1,493.31 mi (2,403.24 km) |
| Cockermouth to Lom | 1,401.29 mi (2,255.16 km) |
| Cockermouth to Lovech | 1,488.38 mi (2,395.32 km) |
| Cockermouth to Lukovit | 1,464.81 mi (2,357.39 km) |
| Cockermouth to Lyaskovets | 1,527.50 mi (2,458.28 km) |
| Cockermouth to Mezdra | 1,449.81 mi (2,333.25 km) |
| Cockermouth to Momchilgrad | 1,590.35 mi (2,559.42 km) |
