| Harmanli to Karkkila | 1,287.09 mi (2,071.38 km) |
| Harmanli to Kauhajoki | 1,424.50 mi (2,292.51 km) |
| Harmanli to Kauhava | 1,466.98 mi (2,360.88 km) |
| Harmanli to Kauniainen | 1,264.23 mi (2,034.58 km) |
| Harmanli to Kemi | 1,645.43 mi (2,648.06 km) |
| Harmanli to Kemijarvi | 1,713.36 mi (2,757.39 km) |
| Harmanli to Kempele | 1,587.78 mi (2,555.29 km) |
| Harmanli to Kerava | 1,276.37 mi (2,054.12 km) |
| Harmanli to Keuruu | 1,405.17 mi (2,261.41 km) |
| Harmanli to Kiiminki | 1,602.97 mi (2,579.73 km) |
| Harmanli to Kirkkonummi | 1,257.93 mi (2,024.44 km) |
| Harmanli to Kitee | 1,404.25 mi (2,259.92 km) |
| Harmanli to Kiuruvesi | 1,500.75 mi (2,415.23 km) |
| Harmanli to Kivisto | 1,271.43 mi (2,046.17 km) |
| Harmanli to Klaukkala | 1,275.61 mi (2,052.89 km) |
