| Rickmansworth to Cividale del Friuli | 736.76 mi (1,185.71 km) |
| Rickmansworth to Civita Castellana | 883.61 mi (1,422.03 km) |
| Rickmansworth to Civitanova Marche | 875.77 mi (1,409.41 km) |
| Rickmansworth to Civitavecchia | 875.17 mi (1,408.44 km) |
| Rickmansworth to Civitella in Val di Chiana | 801.58 mi (1,290.02 km) |
| Rickmansworth to Clusone | 617.98 mi (994.54 km) |
| Rickmansworth to Coccaglio | 634.45 mi (1,021.04 km) |
| Rickmansworth to Codigoro | 744.15 mi (1,197.59 km) |
| Rickmansworth to Codogno | 645.45 mi (1,038.76 km) |
| Rickmansworth to Codroipo | 725.07 mi (1,166.89 km) |
| Rickmansworth to Cogoleto | 653.38 mi (1,051.51 km) |
| Rickmansworth to Colle di Val d'Elsa | 783.64 mi (1,261.14 km) |
| Rickmansworth to Colle Salvetti | 752.39 mi (1,210.86 km) |
| Rickmansworth to Collecchio | 683.24 mi (1,099.58 km) |
| Rickmansworth to Colleferro | 933.43 mi (1,502.21 km) |
