| Arroyo Grande to Cividale del Friuli | 6,137.34 mi (9,877.09 km) |
| Arroyo Grande to Civita Castellana | 6,318.84 mi (10,169.19 km) |
| Arroyo Grande to Civitanova Marche | 6,302.64 mi (10,143.13 km) |
| Arroyo Grande to Civitavecchia | 6,310.89 mi (10,156.39 km) |
| Arroyo Grande to Civitella in Val di Chiana | 6,235.87 mi (10,035.66 km) |
| Arroyo Grande to Clusone | 6,048.02 mi (9,733.35 km) |
| Arroyo Grande to Coccaglio | 6,066.18 mi (9,762.58 km) |
| Arroyo Grande to Codigoro | 6,169.75 mi (9,929.26 km) |
| Arroyo Grande to Codogno | 6,079.71 mi (9,784.35 km) |
| Arroyo Grande to Codroipo | 6,132.14 mi (9,868.73 km) |
| Arroyo Grande to Cogoleto | 6,088.43 mi (9,798.38 km) |
| Arroyo Grande to Colle di Val d'Elsa | 6,218.99 mi (10,008.50 km) |
| Arroyo Grande to Colle Salvetti | 6,188.09 mi (9,958.77 km) |
| Arroyo Grande to Collecchio | 6,117.46 mi (9,845.10 km) |
| Arroyo Grande to Colleferro | 6,368.63 mi (10,249.31 km) |
