| Holyhead to Jozefow | 1,079.58 mi (1,737.42 km) |
| Holyhead to Kalisz | 956.51 mi (1,539.35 km) |
| Holyhead to Kamien Pomorski | 793.72 mi (1,277.37 km) |
| Holyhead to Kamienna Gora | 892.04 mi (1,435.60 km) |
| Holyhead to Karczew | 1,081.14 mi (1,739.93 km) |
| Holyhead to Kartuzy | 929.86 mi (1,496.46 km) |
| Holyhead to Katowice | 1,027.36 mi (1,653.38 km) |
| Holyhead to Kedzierzyn-Kozle | 991.63 mi (1,595.87 km) |
| Holyhead to Kepno | 961.71 mi (1,547.73 km) |
| Holyhead to Ketrzyn | 1,059.60 mi (1,705.26 km) |
| Holyhead to Kety | 1,044.92 mi (1,681.63 km) |
| Holyhead to Kielce | 1,079.84 mi (1,737.84 km) |
| Holyhead to Kielczow | 931.44 mi (1,499.02 km) |
| Holyhead to Klobuck | 1,008.73 mi (1,623.39 km) |
| Holyhead to Klodzko | 925.71 mi (1,489.79 km) |
