| Corning to Cividale del Friuli | 4,240.38 mi (6,824.23 km) |
| Corning to Civita Castellana | 4,340.87 mi (6,985.95 km) |
| Corning to Civitanova Marche | 4,358.28 mi (7,013.97 km) |
| Corning to Civitavecchia | 4,322.29 mi (6,956.05 km) |
| Corning to Civitella in Val di Chiana | 4,269.13 mi (6,870.51 km) |
| Corning to Clusone | 4,105.67 mi (6,607.44 km) |
| Corning to Coccaglio | 4,118.16 mi (6,627.53 km) |
| Corning to Codigoro | 4,233.26 mi (6,812.78 km) |
| Corning to Codogno | 4,121.08 mi (6,632.23 km) |
| Corning to Codroipo | 4,227.04 mi (6,802.76 km) |
| Corning to Cogoleto | 4,103.80 mi (6,604.43 km) |
| Corning to Colle di Val d'Elsa | 4,245.09 mi (6,831.80 km) |
| Corning to Colle Salvetti | 4,210.16 mi (6,775.60 km) |
| Corning to Collecchio | 4,157.14 mi (6,690.28 km) |
| Corning to Colleferro | 4,388.38 mi (7,062.42 km) |
