| Cartagena to Karlovo | 1,400.38 mi (2,253.70 km) |
| Cartagena to Karnobat | 1,510.54 mi (2,430.98 km) |
| Cartagena to Kavarna | 1,582.67 mi (2,547.05 km) |
| Cartagena to Kazanlak | 1,430.21 mi (2,301.69 km) |
| Cartagena to Knezha | 1,371.55 mi (2,207.30 km) |
| Cartagena to Kostinbrod | 1,321.60 mi (2,126.90 km) |
| Cartagena to Kozloduy | 1,357.44 mi (2,184.58 km) |
| Cartagena to Kyustendil | 1,290.08 mi (2,076.18 km) |
| Cartagena to Levski | 1,422.43 mi (2,289.18 km) |
| Cartagena to Lom | 1,333.62 mi (2,146.25 km) |
| Cartagena to Lovech | 1,399.64 mi (2,252.51 km) |
| Cartagena to Lukovit | 1,372.72 mi (2,209.18 km) |
| Cartagena to Lyaskovets | 1,449.44 mi (2,332.65 km) |
| Cartagena to Mezdra | 1,348.95 mi (2,170.93 km) |
| Cartagena to Momchilgrad | 1,426.25 mi (2,295.32 km) |
