| Rhyl to Cividale del Friuli | 902.02 mi (1,451.66 km) |
| Rhyl to Civita Castellana | 1,055.57 mi (1,698.77 km) |
| Rhyl to Civitanova Marche | 1,046.34 mi (1,683.93 km) |
| Rhyl to Civitavecchia | 1,047.20 mi (1,685.30 km) |
| Rhyl to Civitella in Val di Chiana | 973.37 mi (1,566.49 km) |
| Rhyl to Clusone | 788.78 mi (1,269.42 km) |
| Rhyl to Coccaglio | 805.64 mi (1,296.55 km) |
| Rhyl to Codigoro | 914.27 mi (1,471.37 km) |
| Rhyl to Codogno | 817.19 mi (1,315.14 km) |
| Rhyl to Codroipo | 891.52 mi (1,434.76 km) |
| Rhyl to Cogoleto | 825.25 mi (1,328.11 km) |
| Rhyl to Colle di Val d'Elsa | 955.61 mi (1,537.90 km) |
| Rhyl to Colle Salvetti | 924.42 mi (1,487.71 km) |
| Rhyl to Collecchio | 854.98 mi (1,375.96 km) |
| Rhyl to Colleferro | 1,105.39 mi (1,778.95 km) |
