| Rhyl to Caguas (Puerto Rico) | 4,088.82 mi (6,580.32 km) |
| Rhyl to Cahokia (Illinois) | 4,021.69 mi (6,472.29 km) |
| Rhyl to Calabasas (California) | 5,260.39 mi (8,465.78 km) |
| Rhyl to Caldwell (Idaho) | 4,660.75 mi (7,500.76 km) |
| Rhyl to Caledonia (Wisconsin) | 3,731.49 mi (6,005.26 km) |
| Rhyl to Calera (Alabama) | 4,159.58 mi (6,694.20 km) |
| Rhyl to Calexico (California) | 5,239.99 mi (8,432.94 km) |
| Rhyl to Calhoun (Georgia) | 4,019.75 mi (6,469.16 km) |
| Rhyl to California (Maryland) | 3,500.01 mi (5,632.73 km) |
| Rhyl to California City (California) | 5,176.62 mi (8,330.97 km) |
| Rhyl to Callaway (Florida) | 4,264.16 mi (6,862.51 km) |
| Rhyl to Calumet City (Illinois) | 3,775.12 mi (6,075.47 km) |
| Rhyl to Calverton (Maryland) | 3,482.85 mi (5,605.10 km) |
| Rhyl to Camano (Washington) | 4,568.87 mi (7,352.89 km) |
| Rhyl to Camarillo (California) | 5,267.02 mi (8,476.44 km) |
