| Kauniainen to Karlovo | 1,214.19 mi (1,954.05 km) |
| Kauniainen to Karnobat | 1,218.58 mi (1,961.12 km) |
| Kauniainen to Kavarna | 1,169.34 mi (1,881.87 km) |
| Kauniainen to Kazanlak | 1,216.37 mi (1,957.55 km) |
| Kauniainen to Knezha | 1,155.33 mi (1,859.33 km) |
| Kauniainen to Kostinbrod | 1,203.91 mi (1,937.51 km) |
| Kauniainen to Kozloduy | 1,136.20 mi (1,828.54 km) |
| Kauniainen to Kyustendil | 1,242.10 mi (1,998.96 km) |
| Kauniainen to Levski | 1,164.34 mi (1,873.83 km) |
| Kauniainen to Lom | 1,134.23 mi (1,825.36 km) |
| Kauniainen to Lovech | 1,180.25 mi (1,899.43 km) |
| Kauniainen to Lukovit | 1,175.98 mi (1,892.56 km) |
| Kauniainen to Lyaskovets | 1,183.37 mi (1,904.45 km) |
| Kauniainen to Mezdra | 1,179.99 mi (1,899.01 km) |
| Kauniainen to Momchilgrad | 1,291.22 mi (2,078.03 km) |
