| Rhyl to Centralia (Illinois) | 3,983.65 mi (6,411.06 km) |
| Rhyl to Centralia (Washington) | 4,665.42 mi (7,508.26 km) |
| Rhyl to Centreville (Virginia) | 3,512.52 mi (5,652.85 km) |
| Rhyl to Ceres (California) | 5,132.52 mi (8,259.99 km) |
| Rhyl to Cerritos (California) | 5,256.66 mi (8,459.77 km) |
| Rhyl to Chalco (Nebraska) | 4,112.40 mi (6,618.26 km) |
| Rhyl to Chalmette (Louisiana) | 4,449.81 mi (7,161.27 km) |
| Rhyl to Chambersburg (Pennsylvania) | 3,470.69 mi (5,585.54 km) |
| Rhyl to Chamblee (Georgia) | 4,024.61 mi (6,476.98 km) |
| Rhyl to Champaign (Illinois) | 3,874.02 mi (6,234.63 km) |
| Rhyl to Champlin (Minnesota) | 3,820.10 mi (6,147.86 km) |
| Rhyl to Chandler (Arizona) | 5,083.69 mi (8,181.40 km) |
| Rhyl to Chanhassen (Minnesota) | 3,841.20 mi (6,181.81 km) |
| Rhyl to Channahon (Illinois) | 3,810.92 mi (6,133.09 km) |
| Rhyl to Channelview (Texas) | 4,659.52 mi (7,498.78 km) |
