| Holyhead to Centralia (Illinois) | 3,939.90 mi (6,340.65 km) |
| Holyhead to Centralia (Washington) | 4,635.09 mi (7,459.46 km) |
| Holyhead to Centreville (Virginia) | 3,466.70 mi (5,579.11 km) |
| Holyhead to Ceres (California) | 5,098.11 mi (8,204.61 km) |
| Holyhead to Cerritos (California) | 5,219.94 mi (8,400.68 km) |
| Holyhead to Chalco (Nebraska) | 4,071.13 mi (6,551.86 km) |
| Holyhead to Chalmette (Louisiana) | 4,404.30 mi (7,088.03 km) |
| Holyhead to Chambersburg (Pennsylvania) | 3,425.16 mi (5,512.25 km) |
| Holyhead to Chamblee (Georgia) | 3,978.87 mi (6,403.37 km) |
| Holyhead to Champaign (Illinois) | 3,830.54 mi (6,164.66 km) |
| Holyhead to Champlin (Minnesota) | 3,779.56 mi (6,082.62 km) |
| Holyhead to Chandler (Arizona) | 5,044.60 mi (8,118.49 km) |
| Holyhead to Chanhassen (Minnesota) | 3,800.58 mi (6,116.45 km) |
| Holyhead to Channahon (Illinois) | 3,767.83 mi (6,063.74 km) |
| Holyhead to Channelview (Texas) | 4,614.98 mi (7,427.09 km) |
