| Highgate to Cividale del Friuli | 722.36 mi (1,162.53 km) |
| Highgate to Civita Castellana | 870.30 mi (1,400.62 km) |
| Highgate to Civitanova Marche | 861.90 mi (1,387.09 km) |
| Highgate to Civitavecchia | 862.09 mi (1,387.41 km) |
| Highgate to Civitella in Val di Chiana | 788.12 mi (1,268.36 km) |
| Highgate to Clusone | 604.14 mi (972.27 km) |
| Highgate to Coccaglio | 620.72 mi (998.95 km) |
| Highgate to Codigoro | 730.18 mi (1,175.11 km) |
| Highgate to Codogno | 631.96 mi (1,017.04 km) |
| Highgate to Codroipo | 710.73 mi (1,143.80 km) |
| Highgate to Cogoleto | 640.60 mi (1,030.94 km) |
| Highgate to Colle di Val d'Elsa | 770.35 mi (1,239.76 km) |
| Highgate to Colle Salvetti | 739.24 mi (1,189.69 km) |
| Highgate to Collecchio | 669.76 mi (1,077.87 km) |
| Highgate to Colleferro | 920.12 mi (1,480.79 km) |
