| Hardenberg to Karis | 829.77 mi (1,335.39 km) |
| Hardenberg to Karkkila | 862.63 mi (1,388.27 km) |
| Hardenberg to Kauhajoki | 888.84 mi (1,430.45 km) |
| Hardenberg to Kauhava | 940.83 mi (1,514.12 km) |
| Hardenberg to Kauniainen | 866.66 mi (1,394.76 km) |
| Hardenberg to Kemi | 1,101.39 mi (1,772.52 km) |
| Hardenberg to Kemijarvi | 1,205.73 mi (1,940.43 km) |
| Hardenberg to Kempele | 1,080.36 mi (1,738.67 km) |
| Hardenberg to Kerava | 883.82 mi (1,422.37 km) |
| Hardenberg to Keuruu | 943.38 mi (1,518.23 km) |
| Hardenberg to Kiiminki | 1,096.47 mi (1,764.60 km) |
| Hardenberg to Kirkkonummi | 853.79 mi (1,374.04 km) |
| Hardenberg to Kitee | 1,086.60 mi (1,748.71 km) |
| Hardenberg to Kiuruvesi | 1,049.28 mi (1,688.66 km) |
| Hardenberg to Kivisto | 873.65 mi (1,406.00 km) |
