| Holyhead to Cottage Grove (Oregon) | 4,804.21 mi (7,731.63 km) |
| Holyhead to Cottage Lake (Washington) | 4,553.08 mi (7,327.47 km) |
| Holyhead to Cottonwood (Arizona) | 4,970.18 mi (7,998.74 km) |
| Holyhead to Cottonwood Heights (Utah) | 4,641.00 mi (7,468.97 km) |
| Holyhead to Council Bluffs (Iowa) | 4,058.11 mi (6,530.89 km) |
| Holyhead to Country Club (Florida) | 4,219.76 mi (6,791.04 km) |
| Holyhead to Country Club Hills (Illinois) | 3,740.89 mi (6,020.38 km) |
| Holyhead to Country Walk (Florida) | 4,240.86 mi (6,825.00 km) |
| Holyhead to Covina (California) | 5,201.21 mi (8,370.54 km) |
| Holyhead to Covington (Georgia) | 3,974.55 mi (6,396.42 km) |
| Holyhead to Covington (Kentucky) | 3,737.23 mi (6,014.49 km) |
| Holyhead to Covington (Louisiana) | 4,382.38 mi (7,052.76 km) |
| Holyhead to Covington (Washington) | 4,575.24 mi (7,363.14 km) |
| Holyhead to Cranston (Rhode Island) | 3,096.89 mi (4,983.97 km) |
| Holyhead to Crawfordsville (Indiana) | 3,781.34 mi (6,085.47 km) |
