| Llantrisant to Kamen | 473.73 mi (762.39 km) |
| Llantrisant to Kamenz | 751.65 mi (1,209.67 km) |
| Llantrisant to Kamp-Lintfort | 425.66 mi (685.03 km) |
| Llantrisant to Kandel | 537.55 mi (865.10 km) |
| Llantrisant to Kappeln | 591.43 mi (951.81 km) |
| Llantrisant to Karben | 536.32 mi (863.12 km) |
| Llantrisant to Karlsdorf-Neuthard | 550.52 mi (885.98 km) |
| Llantrisant to Karlsfeld | 698.13 mi (1,123.53 km) |
| Llantrisant to Karlsruhe | 548.05 mi (882.00 km) |
| Llantrisant to Kassel | 554.05 mi (891.66 km) |
| Llantrisant to Kaufbeuren | 673.28 mi (1,083.54 km) |
| Llantrisant to Kaufering | 677.77 mi (1,090.77 km) |
| Llantrisant to Kaufungen | 559.51 mi (900.45 km) |
| Llantrisant to Kehl | 536.66 mi (863.68 km) |
| Llantrisant to Kelheim | 696.24 mi (1,120.49 km) |
