| Erfurt to Karis | 796.08 mi (1,281.17 km) |
| Erfurt to Karkkila | 832.32 mi (1,339.48 km) |
| Erfurt to Kauhajoki | 894.03 mi (1,438.80 km) |
| Erfurt to Kauhava | 948.01 mi (1,525.68 km) |
| Erfurt to Kauniainen | 829.15 mi (1,334.39 km) |
| Erfurt to Kemi | 1,125.54 mi (1,811.38 km) |
| Erfurt to Kemijarvi | 1,226.23 mi (1,973.43 km) |
| Erfurt to Kempele | 1,093.09 mi (1,759.15 km) |
| Erfurt to Kerava | 846.97 mi (1,363.07 km) |
| Erfurt to Keuruu | 932.37 mi (1,500.50 km) |
| Erfurt to Kiiminki | 1,110.03 mi (1,786.43 km) |
| Erfurt to Kirkkonummi | 816.54 mi (1,314.10 km) |
| Erfurt to Kitee | 1,050.18 mi (1,690.09 km) |
| Erfurt to Kiuruvesi | 1,044.56 mi (1,681.05 km) |
| Erfurt to Kivisto | 837.05 mi (1,347.10 km) |
