| Holyhead to Kocaali | 1,843.32 mi (2,966.53 km) |
| Holyhead to Kocaeli | 1,818.81 mi (2,927.10 km) |
| Holyhead to Konak | 1,818.68 mi (2,926.88 km) |
| Holyhead to Konakli | 2,092.66 mi (3,367.82 km) |
| Holyhead to Konya | 2,054.40 mi (3,306.23 km) |
| Holyhead to Koprukoy | 2,340.03 mi (3,765.92 km) |
| Holyhead to Korfez | 1,810.52 mi (2,913.75 km) |
| Holyhead to Korkut | 2,390.94 mi (3,847.84 km) |
| Holyhead to Kose | 2,238.54 mi (3,602.59 km) |
| Holyhead to Kovancilar | 2,313.15 mi (3,722.66 km) |
| Holyhead to Koyulhisar | 2,159.72 mi (3,475.73 km) |
| Holyhead to Kozan | 2,206.51 mi (3,551.03 km) |
| Holyhead to Kozlu | 1,863.17 mi (2,998.49 km) |
| Holyhead to Kozluk | 2,403.47 mi (3,868.01 km) |
| Holyhead to Kucuk Dalyan | 2,279.92 mi (3,669.18 km) |
