| Astorga to Cividale del Friuli | 993.90 mi (1,599.52 km) |
| Astorga to Civita Castellana | 941.09 mi (1,514.54 km) |
| Astorga to Civitanova Marche | 1,001.65 mi (1,612.00 km) |
| Astorga to Civitavecchia | 911.83 mi (1,467.44 km) |
| Astorga to Civitella in Val di Chiana | 900.08 mi (1,448.54 km) |
| Astorga to Clusone | 826.47 mi (1,330.07 km) |
| Astorga to Coccaglio | 823.92 mi (1,325.97 km) |
| Astorga to Codigoro | 921.60 mi (1,483.17 km) |
| Astorga to Codogno | 806.64 mi (1,298.16 km) |
| Astorga to Codroipo | 971.05 mi (1,562.75 km) |
| Astorga to Cogoleto | 749.02 mi (1,205.43 km) |
| Astorga to Colle di Val d'Elsa | 870.84 mi (1,401.49 km) |
| Astorga to Colle Salvetti | 838.04 mi (1,348.69 km) |
| Astorga to Collecchio | 828.27 mi (1,332.98 km) |
| Astorga to Colleferro | 977.43 mi (1,573.02 km) |
