| Sion to Cividale del Friuli | 290.37 mi (467.31 km) |
| Sion to Civita Castellana | 369.00 mi (593.84 km) |
| Sion to Civitanova Marche | 372.13 mi (598.89 km) |
| Sion to Civitavecchia | 360.20 mi (579.69 km) |
| Sion to Civitella in Val di Chiana | 288.56 mi (464.40 km) |
| Sion to Clusone | 126.19 mi (203.08 km) |
| Sion to Coccaglio | 133.83 mi (215.38 km) |
| Sion to Codigoro | 249.37 mi (401.32 km) |
| Sion to Codogno | 135.02 mi (217.29 km) |
| Sion to Codroipo | 269.50 mi (433.71 km) |
| Sion to Cogoleto | 141.75 mi (228.13 km) |
| Sion to Colle di Val d'Elsa | 269.02 mi (432.94 km) |
| Sion to Colle Salvetti | 237.35 mi (381.98 km) |
| Sion to Collecchio | 171.91 mi (276.66 km) |
| Sion to Colleferro | 418.79 mi (673.98 km) |
