| Llantrisant to Koscian | 853.49 mi (1,373.56 km) |
| Llantrisant to Koscielisko | 1,031.38 mi (1,659.85 km) |
| Llantrisant to Koscierzyna | 905.50 mi (1,457.27 km) |
| Llantrisant to Kostrzyn | 875.78 mi (1,409.44 km) |
| Llantrisant to Kostrzyn nad Odra | 767.71 mi (1,235.52 km) |
| Llantrisant to Koszalin | 833.20 mi (1,340.90 km) |
| Llantrisant to Kowary | 831.42 mi (1,338.03 km) |
| Llantrisant to Kozienice | 1,066.09 mi (1,715.71 km) |
| Llantrisant to Kozuchow | 811.36 mi (1,305.76 km) |
| Llantrisant to Kozy | 988.44 mi (1,590.75 km) |
| Llantrisant to Krakow | 1,018.74 mi (1,639.50 km) |
| Llantrisant to Krapkowice | 927.54 mi (1,492.73 km) |
| Llantrisant to Krasnik | 1,102.45 mi (1,774.22 km) |
| Llantrisant to Krasnystaw | 1,142.58 mi (1,838.81 km) |
| Llantrisant to Krosno | 1,103.51 mi (1,775.92 km) |
