| Thetford to Karis | 1,019.21 mi (1,640.25 km) |
| Thetford to Karkkila | 1,048.55 mi (1,687.48 km) |
| Thetford to Kauhajoki | 1,047.34 mi (1,685.54 km) |
| Thetford to Kauhava | 1,095.49 mi (1,763.02 km) |
| Thetford to Kauniainen | 1,057.23 mi (1,701.45 km) |
| Thetford to Kemi | 1,235.22 mi (1,987.89 km) |
| Thetford to Kemijarvi | 1,339.62 mi (2,155.91 km) |
| Thetford to Kempele | 1,225.13 mi (1,971.66 km) |
| Thetford to Kerava | 1,073.36 mi (1,727.40 km) |
| Thetford to Keuruu | 1,112.40 mi (1,790.24 km) |
| Thetford to Kiiminki | 1,239.97 mi (1,995.54 km) |
| Thetford to Kirkkonummi | 1,044.64 mi (1,681.19 km) |
| Thetford to Kitee | 1,269.91 mi (2,043.72 km) |
| Thetford to Kiuruvesi | 1,209.72 mi (1,946.86 km) |
| Thetford to Kivisto | 1,063.37 mi (1,711.33 km) |
