| Rhyl to Cicero (Illinois) | 3,772.04 mi (6,070.51 km) |
| Rhyl to Cimarron Hills (Colorado) | 4,534.35 mi (7,297.33 km) |
| Rhyl to Cincinnati (Ohio) | 3,776.22 mi (6,077.24 km) |
| Rhyl to Cinco Ranch (Texas) | 4,687.29 mi (7,543.46 km) |
| Rhyl to Circleville (Ohio) | 3,693.09 mi (5,943.46 km) |
| Rhyl to Citrus (California) | 5,236.69 mi (8,427.64 km) |
| Rhyl to Citrus Heights (California) | 5,078.86 mi (8,173.64 km) |
| Rhyl to Citrus Park (Florida) | 4,248.90 mi (6,837.94 km) |
| Rhyl to Claiborne (Louisiana) | 4,403.22 mi (7,086.29 km) |
| Rhyl to Claremont (California) | 5,230.54 mi (8,417.74 km) |
| Rhyl to Claremont (New Hampshire) | 3,107.41 mi (5,000.89 km) |
| Rhyl to Claremore (Oklahoma) | 4,339.18 mi (6,983.23 km) |
| Rhyl to Clarksburg (Maryland) | 3,487.77 mi (5,613.02 km) |
| Rhyl to Clarksburg (West Virginia) | 3,605.94 mi (5,803.20 km) |
| Rhyl to Clarksdale (Mississippi) | 4,255.36 mi (6,848.34 km) |
