| Holyhead to Keizer (Oregon) | 4,734.38 mi (7,619.24 km) |
| Holyhead to Keller (Texas) | 4,531.82 mi (7,293.27 km) |
| Holyhead to Kelso (Washington) | 4,666.94 mi (7,510.71 km) |
| Holyhead to Kemp Mill (Maryland) | 3,440.67 mi (5,537.23 km) |
| Holyhead to Ken Caryl (Colorado) | 4,471.45 mi (7,196.10 km) |
| Holyhead to Kendale Lakes (Florida) | 4,235.83 mi (6,816.91 km) |
| Holyhead to Kendall (Florida) | 4,235.68 mi (6,816.66 km) |
| Holyhead to Kendall Park (New Jersey) | 3,279.91 mi (5,278.50 km) |
| Holyhead to Kendall West (Florida) | 4,237.19 mi (6,819.09 km) |
| Holyhead to Kenmore (New York) | 3,336.94 mi (5,370.29 km) |
| Holyhead to Kenmore (Washington) | 4,557.47 mi (7,334.54 km) |
| Holyhead to Kenner (Louisiana) | 4,412.31 mi (7,100.93 km) |
| Holyhead to Kennesaw (Georgia) | 3,984.48 mi (6,412.41 km) |
| Holyhead to Kennett (Missouri) | 4,087.91 mi (6,578.86 km) |
| Holyhead to Kennewick (Washington) | 4,559.16 mi (7,337.26 km) |
