| Hayle to Cividale del Friuli | 910.96 mi (1,466.05 km) |
| Hayle to Civita Castellana | 1,007.52 mi (1,621.45 km) |
| Hayle to Civitanova Marche | 1,019.93 mi (1,641.42 km) |
| Hayle to Civitavecchia | 992.05 mi (1,596.55 km) |
| Hayle to Civitella in Val di Chiana | 932.54 mi (1,500.77 km) |
| Hayle to Clusone | 767.98 mi (1,235.94 km) |
| Hayle to Coccaglio | 779.90 mi (1,255.12 km) |
| Hayle to Codigoro | 895.25 mi (1,440.76 km) |
| Hayle to Codogno | 782.73 mi (1,259.68 km) |
| Hayle to Codroipo | 895.32 mi (1,440.88 km) |
| Hayle to Cogoleto | 769.47 mi (1,238.34 km) |
| Hayle to Colle di Val d'Elsa | 909.66 mi (1,463.96 km) |
| Hayle to Colle Salvetti | 875.30 mi (1,408.66 km) |
| Hayle to Collecchio | 819.01 mi (1,318.07 km) |
| Hayle to Colleferro | 1,056.26 mi (1,699.88 km) |
