| Clausthal-Zellerfeld to Karis | 766.70 mi (1,233.89 km) |
| Clausthal-Zellerfeld to Karkkila | 802.26 mi (1,291.11 km) |
| Clausthal-Zellerfeld to Kauhajoki | 855.20 mi (1,376.31 km) |
| Clausthal-Zellerfeld to Kauhava | 908.99 mi (1,462.88 km) |
| Clausthal-Zellerfeld to Kauniainen | 801.07 mi (1,289.20 km) |
| Clausthal-Zellerfeld to Kemi | 1,083.30 mi (1,743.41 km) |
| Clausthal-Zellerfeld to Kemijarvi | 1,185.14 mi (1,907.31 km) |
| Clausthal-Zellerfeld to Kempele | 1,053.37 mi (1,695.24 km) |
| Clausthal-Zellerfeld to Kerava | 818.83 mi (1,317.77 km) |
| Clausthal-Zellerfeld to Keuruu | 897.78 mi (1,444.84 km) |
| Clausthal-Zellerfeld to Kiiminki | 1,070.19 mi (1,722.30 km) |
| Clausthal-Zellerfeld to Kirkkonummi | 788.30 mi (1,268.65 km) |
| Clausthal-Zellerfeld to Kitee | 1,022.96 mi (1,646.29 km) |
| Clausthal-Zellerfeld to Kiuruvesi | 1,008.90 mi (1,623.67 km) |
| Clausthal-Zellerfeld to Kivisto | 808.77 mi (1,301.59 km) |
