| Porthcawl to Kirchlengern | 527.77 mi (849.37 km) |
| Porthcawl to Kirchlinteln | 559.11 mi (899.80 km) |
| Porthcawl to Kirchseeon | 732.07 mi (1,178.16 km) |
| Porthcawl to Kirchzarten | 572.95 mi (922.07 km) |
| Porthcawl to Kirkel | 504.07 mi (811.22 km) |
| Porthcawl to Kissing | 687.72 mi (1,106.78 km) |
| Porthcawl to Kisslegg | 657.50 mi (1,058.15 km) |
| Porthcawl to Kitzingen | 618.48 mi (995.35 km) |
| Porthcawl to Kleinblittersdorf | 499.18 mi (803.36 km) |
| Porthcawl to Kleve | 421.77 mi (678.78 km) |
| Porthcawl to Klipphausen | 743.13 mi (1,195.95 km) |
| Porthcawl to Klotze | 634.81 mi (1,021.62 km) |
| Porthcawl to Koblenz | 497.20 mi (800.17 km) |
| Porthcawl to Kolbermoor | 746.17 mi (1,200.84 km) |
| Porthcawl to Kolkwitz | 767.78 mi (1,235.63 km) |
