| Widnau to Cividale del Friuli | 201.04 mi (323.54 km) |
| Widnau to Civita Castellana | 377.88 mi (608.14 km) |
| Widnau to Civitanova Marche | 346.11 mi (557.02 km) |
| Widnau to Civitavecchia | 381.25 mi (613.57 km) |
| Widnau to Civitella in Val di Chiana | 293.14 mi (471.76 km) |
| Widnau to Clusone | 105.84 mi (170.34 km) |
| Widnau to Coccaglio | 127.94 mi (205.90 km) |
| Widnau to Codigoro | 213.49 mi (343.58 km) |
| Widnau to Codogno | 154.79 mi (249.10 km) |
| Widnau to Codroipo | 187.10 mi (301.11 km) |
| Widnau to Cogoleto | 213.34 mi (343.33 km) |
| Widnau to Colle di Val d'Elsa | 285.76 mi (459.88 km) |
| Widnau to Colle Salvetti | 265.74 mi (427.66 km) |
| Widnau to Collecchio | 185.20 mi (298.05 km) |
| Widnau to Colleferro | 425.35 mi (684.54 km) |
