| Alton to Cividale del Friuli | 743.10 mi (1,195.90 km) |
| Alton to Civita Castellana | 878.51 mi (1,413.83 km) |
| Alton to Civitanova Marche | 875.12 mi (1,408.36 km) |
| Alton to Civitavecchia | 868.57 mi (1,397.83 km) |
| Alton to Civitella in Val di Chiana | 797.65 mi (1,283.70 km) |
| Alton to Clusone | 617.44 mi (993.67 km) |
| Alton to Coccaglio | 632.91 mi (1,018.58 km) |
| Alton to Codigoro | 744.59 mi (1,198.30 km) |
| Alton to Codogno | 642.08 mi (1,033.32 km) |
| Alton to Codroipo | 730.29 mi (1,175.29 km) |
| Alton to Cogoleto | 645.40 mi (1,038.68 km) |
| Alton to Colle di Val d'Elsa | 778.55 mi (1,252.96 km) |
| Alton to Colle Salvetti | 746.48 mi (1,201.34 km) |
| Alton to Collecchio | 679.77 mi (1,093.98 km) |
| Alton to Colleferro | 928.29 mi (1,493.94 km) |
