| Caerphilly to Kamen | 466.81 mi (751.25 km) |
| Caerphilly to Kamenz | 744.71 mi (1,198.49 km) |
| Caerphilly to Kamp-Lintfort | 418.78 mi (673.97 km) |
| Caerphilly to Kandel | 531.62 mi (855.55 km) |
| Caerphilly to Kappeln | 584.28 mi (940.31 km) |
| Caerphilly to Karben | 529.83 mi (852.67 km) |
| Caerphilly to Karlsdorf-Neuthard | 544.52 mi (876.32 km) |
| Caerphilly to Karlsfeld | 692.16 mi (1,113.92 km) |
| Caerphilly to Karlsruhe | 542.13 mi (872.47 km) |
| Caerphilly to Kassel | 547.18 mi (880.60 km) |
| Caerphilly to Kaufbeuren | 667.55 mi (1,074.31 km) |
| Caerphilly to Kaufering | 671.92 mi (1,081.36 km) |
| Caerphilly to Kaufungen | 552.64 mi (889.40 km) |
| Caerphilly to Kehl | 531.05 mi (854.64 km) |
| Caerphilly to Kelheim | 689.99 mi (1,110.42 km) |
