| Cities | Distance |
|---|---|
| Koper to Karlovo | 584.43 mi (940.56 km) |
| Koper to Karnobat | 686.78 mi (1,105.26 km) |
| Koper to Kavarna | 733.22 mi (1,180.00 km) |
| Koper to Kazanlak | 612.80 mi (986.20 km) |
| Koper to Knezha | 528.72 mi (850.89 km) |
| Koper to Kostinbrod | 506.01 mi (814.35 km) |
| Koper to Kozloduy | 505.96 mi (814.26 km) |
| Koper to Kyustendil | 498.97 mi (803.02 km) |
| Koper to Levski | 581.52 mi (935.87 km) |
| Koper to Lom | 481.50 mi (774.90 km) |
| Koper to Lovech | 567.30 mi (912.97 km) |
| Koper to Lukovit | 539.78 mi (868.69 km) |
| Koper to Lyaskovets | 615.36 mi (990.33 km) |
| Koper to Mezdra | 519.18 mi (835.54 km) |
| Koper to Momchilgrad | 646.79 mi (1,040.91 km) |