| Cities | Distance |
|---|---|
| Koper to Devnya | 700.88 mi (1,127.96 km) |
| Koper to Dimitrovgrad | 638.49 mi (1,027.55 km) |
| Koper to Dobrich | 706.58 mi (1,137.13 km) |
| Koper to Dospat | 586.84 mi (944.43 km) |
| Koper to Dupnitsa | 518.96 mi (835.18 km) |
| Koper to Elhovo | 679.82 mi (1,094.07 km) |
| Koper to Etropole | 541.67 mi (871.73 km) |
| Koper to Gabrovo | 603.04 mi (970.49 km) |
| Koper to Gorna Oryahovitsa | 613.78 mi (987.79 km) |
| Koper to Gotse Delchev | 570.76 mi (918.55 km) |
| Koper to Harmanli | 655.88 mi (1,055.53 km) |
| Koper to Haskovo | 640.57 mi (1,030.90 km) |
| Koper to Ihtiman | 544.89 mi (876.91 km) |
| Koper to Isperih | 655.65 mi (1,055.17 km) |
| Koper to Kardzhali | 640.62 mi (1,030.97 km) |