| Portugalete to Kirchlengern | 816.18 mi (1,313.51 km) |
| Portugalete to Kirchlinteln | 872.65 mi (1,404.39 km) |
| Portugalete to Kirchseeon | 789.04 mi (1,269.83 km) |
| Portugalete to Kirchzarten | 618.71 mi (995.71 km) |
| Portugalete to Kirkel | 638.79 mi (1,028.03 km) |
| Portugalete to Kissing | 755.55 mi (1,215.94 km) |
| Portugalete to Kisslegg | 695.34 mi (1,119.04 km) |
| Portugalete to Kitzingen | 765.91 mi (1,232.61 km) |
| Portugalete to Kleinblittersdorf | 626.58 mi (1,008.38 km) |
| Portugalete to Kleve | 723.33 mi (1,164.09 km) |
| Portugalete to Klipphausen | 940.82 mi (1,514.10 km) |
| Portugalete to Klotze | 915.50 mi (1,473.36 km) |
| Portugalete to Koblenz | 697.60 mi (1,122.67 km) |
| Portugalete to Kolbermoor | 792.11 mi (1,274.77 km) |
| Portugalete to Kolkwitz | 989.89 mi (1,593.07 km) |
