| Kardzhali to Kokkola | 1,535.57 mi (2,471.27 km) |
| Kardzhali to Kontiolahti | 1,470.48 mi (2,366.50 km) |
| Kardzhali to Korsholm | 1,490.47 mi (2,398.68 km) |
| Kardzhali to Kotka | 1,301.81 mi (2,095.07 km) |
| Kardzhali to Kouvola | 1,329.03 mi (2,138.87 km) |
| Kardzhali to Kuhmo | 1,561.70 mi (2,513.32 km) |
| Kardzhali to Kuopio | 1,470.74 mi (2,366.93 km) |
| Kardzhali to Kurikka | 1,453.75 mi (2,339.58 km) |
| Kardzhali to Kuusamo | 1,686.60 mi (2,714.32 km) |
| Kardzhali to Kuusankoski | 1,331.67 mi (2,143.11 km) |
| Kardzhali to Lahti | 1,335.85 mi (2,149.85 km) |
| Kardzhali to Laitila | 1,337.81 mi (2,152.99 km) |
| Kardzhali to Lapinlahti | 1,502.70 mi (2,418.36 km) |
| Kardzhali to Lappeenranta | 1,346.75 mi (2,167.39 km) |
| Kardzhali to Lapua | 1,476.20 mi (2,375.71 km) |
