| Hardenberg to Kirchlengern | 88.73 mi (142.79 km) |
| Hardenberg to Kirchlinteln | 115.92 mi (186.55 km) |
| Hardenberg to Kirchseeon | 387.64 mi (623.85 km) |
| Hardenberg to Kirchzarten | 323.22 mi (520.18 km) |
| Hardenberg to Kirkel | 228.44 mi (367.64 km) |
| Hardenberg to Kissing | 351.76 mi (566.11 km) |
| Hardenberg to Kisslegg | 360.22 mi (579.72 km) |
| Hardenberg to Kitzingen | 248.93 mi (400.62 km) |
| Hardenberg to Kleinblittersdorf | 236.21 mi (380.15 km) |
| Hardenberg to Kleve | 57.34 mi (92.28 km) |
| Hardenberg to Klipphausen | 312.49 mi (502.91 km) |
| Hardenberg to Klotze | 190.76 mi (306.99 km) |
| Hardenberg to Koblenz | 158.23 mi (254.64 km) |
| Hardenberg to Kolbermoor | 405.07 mi (651.90 km) |
| Hardenberg to Kolkwitz | 328.10 mi (528.03 km) |
