| Caerfyrddin to Kamen | 512.55 mi (824.86 km) |
| Caerfyrddin to Kamenz | 789.97 mi (1,271.33 km) |
| Caerfyrddin to Kamp-Lintfort | 465.04 mi (748.41 km) |
| Caerfyrddin to Kandel | 581.91 mi (936.50 km) |
| Caerfyrddin to Kappeln | 618.66 mi (995.63 km) |
| Caerfyrddin to Karben | 578.51 mi (931.02 km) |
| Caerfyrddin to Karlsdorf-Neuthard | 594.69 mi (957.07 km) |
| Caerfyrddin to Karlsfeld | 742.37 mi (1,194.73 km) |
| Caerfyrddin to Karlsruhe | 592.44 mi (953.43 km) |
| Caerfyrddin to Kassel | 593.32 mi (954.85 km) |
| Caerfyrddin to Kaufbeuren | 718.10 mi (1,155.66 km) |
| Caerfyrddin to Kaufering | 722.33 mi (1,162.48 km) |
| Caerfyrddin to Kaufungen | 598.85 mi (963.75 km) |
| Caerfyrddin to Kehl | 581.72 mi (936.18 km) |
| Caerfyrddin to Kelheim | 739.52 mi (1,190.14 km) |
