| Helsinki to Karlovo | 1,211.02 mi (1,948.96 km) |
| Helsinki to Karnobat | 1,214.78 mi (1,955.01 km) |
| Helsinki to Kavarna | 1,165.14 mi (1,875.10 km) |
| Helsinki to Kazanlak | 1,213.03 mi (1,952.18 km) |
| Helsinki to Knezha | 1,152.39 mi (1,854.60 km) |
| Helsinki to Kostinbrod | 1,201.23 mi (1,933.20 km) |
| Helsinki to Kozloduy | 1,133.38 mi (1,824.00 km) |
| Helsinki to Kyustendil | 1,239.57 mi (1,994.90 km) |
| Helsinki to Levski | 1,161.08 mi (1,868.58 km) |
| Helsinki to Lom | 1,131.56 mi (1,821.08 km) |
| Helsinki to Lovech | 1,177.12 mi (1,894.39 km) |
| Helsinki to Lukovit | 1,173.01 mi (1,887.78 km) |
| Helsinki to Lyaskovets | 1,179.93 mi (1,898.92 km) |
| Helsinki to Mezdra | 1,177.17 mi (1,894.47 km) |
| Helsinki to Momchilgrad | 1,287.89 mi (2,072.66 km) |
