| Rhyl to Clermont (Florida) | 4,191.03 mi (6,744.81 km) |
| Rhyl to Cleveland (Mississippi) | 4,284.38 mi (6,895.05 km) |
| Rhyl to Cleveland (Ohio) | 3,557.44 mi (5,725.14 km) |
| Rhyl to Cleveland (Tennessee) | 3,982.85 mi (6,409.78 km) |
| Rhyl to Cleveland Heights (Ohio) | 3,551.31 mi (5,715.29 km) |
| Rhyl to Cliffside Park (New Jersey) | 3,284.53 mi (5,285.95 km) |
| Rhyl to Clifton (Colorado) | 4,650.96 mi (7,485.00 km) |
| Rhyl to Clifton (New Jersey) | 3,289.48 mi (5,293.90 km) |
| Rhyl to Clinton (Iowa) | 3,864.65 mi (6,219.56 km) |
| Rhyl to Clinton (Maryland) | 3,495.41 mi (5,625.32 km) |
| Rhyl to Clinton (Mississippi) | 4,340.28 mi (6,985.01 km) |
| Rhyl to Clinton (Utah) | 4,657.09 mi (7,494.86 km) |
| Rhyl to Clive (Iowa) | 4,006.38 mi (6,447.64 km) |
| Rhyl to Cloquet (Minnesota) | 3,715.58 mi (5,979.64 km) |
| Rhyl to Cloverleaf (Texas) | 4,661.94 mi (7,502.67 km) |
