| Holyhead to Krosno Odrzanskie | 828.76 mi (1,333.77 km) |
| Holyhead to Krotoszyn | 931.20 mi (1,498.63 km) |
| Holyhead to Kruszwica | 951.83 mi (1,531.82 km) |
| Holyhead to Krynica | 1,129.67 mi (1,818.02 km) |
| Holyhead to Krzeszowice | 1,056.12 mi (1,699.66 km) |
| Holyhead to Kudowa-Zdroj | 908.68 mi (1,462.38 km) |
| Holyhead to Kutno | 1,001.22 mi (1,611.31 km) |
| Holyhead to Kwidzyn | 963.93 mi (1,551.29 km) |
| Holyhead to Lancut | 1,165.11 mi (1,875.06 km) |
| Holyhead to Lapy | 1,133.44 mi (1,824.10 km) |
| Holyhead to Lask | 1,003.08 mi (1,614.30 km) |
| Holyhead to Laziska Gorne | 1,023.39 mi (1,646.99 km) |
| Holyhead to Lebork | 910.69 mi (1,465.61 km) |
| Holyhead to Leczna | 1,163.42 mi (1,872.35 km) |
| Holyhead to Leczyca | 997.45 mi (1,605.24 km) |
