| Karlovy Vary to Karlovo | 771.42 mi (1,241.48 km) |
| Karlovy Vary to Karnobat | 850.30 mi (1,368.43 km) |
| Karlovy Vary to Kavarna | 866.13 mi (1,393.90 km) |
| Karlovy Vary to Kazanlak | 793.56 mi (1,277.11 km) |
| Karlovy Vary to Knezha | 703.45 mi (1,132.09 km) |
| Karlovy Vary to Kostinbrod | 708.82 mi (1,140.73 km) |
| Karlovy Vary to Kozloduy | 677.23 mi (1,089.89 km) |
| Karlovy Vary to Kyustendil | 720.69 mi (1,159.84 km) |
| Karlovy Vary to Levski | 747.51 mi (1,203.00 km) |
| Karlovy Vary to Lom | 657.79 mi (1,058.61 km) |
| Karlovy Vary to Lovech | 743.80 mi (1,197.03 km) |
| Karlovy Vary to Lukovit | 721.22 mi (1,160.69 km) |
| Karlovy Vary to Lyaskovets | 781.49 mi (1,257.68 km) |
| Karlovy Vary to Mezdra | 707.66 mi (1,138.87 km) |
| Karlovy Vary to Momchilgrad | 849.39 mi (1,366.97 km) |
