| Holyhead to Karditsa | 1,575.69 mi (2,535.84 km) |
| Holyhead to Kastoria | 1,494.78 mi (2,405.62 km) |
| Holyhead to Katerini | 1,553.04 mi (2,499.38 km) |
| Holyhead to Keratsini | 1,708.98 mi (2,750.34 km) |
| Holyhead to Kerkyra | 1,490.10 mi (2,398.09 km) |
| Holyhead to Kiato | 1,674.99 mi (2,695.63 km) |
| Holyhead to Kifisia | 1,710.44 mi (2,752.68 km) |
| Holyhead to Kilkis | 1,532.65 mi (2,466.56 km) |
| Holyhead to Komotini | 1,625.63 mi (2,616.20 km) |
| Holyhead to Korinthos | 1,685.15 mi (2,711.98 km) |
| Holyhead to Koropi | 1,721.83 mi (2,771.02 km) |
| Holyhead to Korydallos | 1,709.36 mi (2,750.95 km) |
| Holyhead to Kos | 1,900.49 mi (3,058.55 km) |
| Holyhead to Kozani | 1,524.59 mi (2,453.60 km) |
| Holyhead to Lagos | 1,611.90 mi (2,594.10 km) |
