| Trets to Karis | 1,372.26 mi (2,208.43 km) |
| Trets to Karkkila | 1,408.78 mi (2,267.21 km) |
| Trets to Kauhajoki | 1,470.74 mi (2,366.93 km) |
| Trets to Kauhava | 1,524.65 mi (2,453.69 km) |
| Trets to Kauniainen | 1,404.44 mi (2,260.23 km) |
| Trets to Kemi | 1,699.72 mi (2,735.44 km) |
| Trets to Kemijarvi | 1,801.52 mi (2,899.26 km) |
| Trets to Kempele | 1,669.37 mi (2,686.60 km) |
| Trets to Kerava | 1,422.27 mi (2,288.91 km) |
| Trets to Keuruu | 1,510.02 mi (2,430.15 km) |
| Trets to Kiiminki | 1,686.24 mi (2,713.74 km) |
| Trets to Kirkkonummi | 1,391.98 mi (2,240.17 km) |
| Trets to Kitee | 1,624.16 mi (2,613.83 km) |
| Trets to Kiuruvesi | 1,622.20 mi (2,610.68 km) |
| Trets to Kivisto | 1,412.46 mi (2,273.14 km) |
