| Herdecke to Karis | 866.02 mi (1,393.73 km) |
| Herdecke to Karkkila | 900.34 mi (1,448.96 km) |
| Herdecke to Kauhajoki | 938.83 mi (1,510.90 km) |
| Herdecke to Kauhava | 991.80 mi (1,596.14 km) |
| Herdecke to Kauniainen | 901.83 mi (1,451.35 km) |
| Herdecke to Kemi | 1,158.48 mi (1,864.39 km) |
| Herdecke to Kemijarvi | 1,262.10 mi (2,031.15 km) |
| Herdecke to Kempele | 1,133.82 mi (1,824.70 km) |
| Herdecke to Kerava | 919.35 mi (1,479.56 km) |
| Herdecke to Keuruu | 988.35 mi (1,590.60 km) |
| Herdecke to Kiiminki | 1,150.26 mi (1,851.17 km) |
| Herdecke to Kirkkonummi | 888.95 mi (1,430.62 km) |
| Herdecke to Kitee | 1,123.48 mi (1,808.07 km) |
| Herdecke to Kiuruvesi | 1,096.94 mi (1,765.36 km) |
| Herdecke to Kivisto | 909.19 mi (1,463.21 km) |
