| Clayton to Karis | 1,045.66 mi (1,682.82 km) |
| Clayton to Karkkila | 1,071.65 mi (1,724.66 km) |
| Clayton to Kauhajoki | 1,050.49 mi (1,690.60 km) |
| Clayton to Kauhava | 1,094.92 mi (1,762.11 km) |
| Clayton to Kauniainen | 1,083.81 mi (1,744.22 km) |
| Clayton to Kemi | 1,218.08 mi (1,960.31 km) |
| Clayton to Kemijarvi | 1,320.84 mi (2,125.69 km) |
| Clayton to Kempele | 1,215.37 mi (1,955.95 km) |
| Clayton to Kerava | 1,098.80 mi (1,768.34 km) |
| Clayton to Keuruu | 1,121.59 mi (1,805.02 km) |
| Clayton to Kiiminki | 1,229.10 mi (1,978.05 km) |
| Clayton to Kirkkonummi | 1,071.69 mi (1,724.72 km) |
| Clayton to Kitee | 1,287.17 mi (2,071.50 km) |
| Clayton to Kiuruvesi | 1,210.98 mi (1,948.88 km) |
| Clayton to Kivisto | 1,089.15 mi (1,752.82 km) |
