| Slough to Cividale del Friuli | 737.66 mi (1,187.15 km) |
| Slough to Civita Castellana | 881.59 mi (1,418.78 km) |
| Slough to Civitanova Marche | 874.89 mi (1,407.99 km) |
| Slough to Civitavecchia | 872.77 mi (1,404.58 km) |
| Slough to Civitella in Val di Chiana | 799.84 mi (1,287.22 km) |
| Slough to Clusone | 617.05 mi (993.05 km) |
| Slough to Coccaglio | 633.27 mi (1,019.15 km) |
| Slough to Codigoro | 743.51 mi (1,196.57 km) |
| Slough to Codogno | 643.81 mi (1,036.11 km) |
| Slough to Codroipo | 725.67 mi (1,167.86 km) |
| Slough to Cogoleto | 650.57 mi (1,046.99 km) |
| Slough to Colle di Val d'Elsa | 781.60 mi (1,257.86 km) |
| Slough to Colle Salvetti | 750.14 mi (1,207.23 km) |
| Slough to Collecchio | 681.59 mi (1,096.91 km) |
| Slough to Colleferro | 931.41 mi (1,498.96 km) |
