| Serpa to Cividale del Friuli | 1,212.54 mi (1,951.40 km) |
| Serpa to Civita Castellana | 1,096.17 mi (1,764.11 km) |
| Serpa to Civitanova Marche | 1,174.46 mi (1,890.12 km) |
| Serpa to Civitavecchia | 1,063.18 mi (1,711.02 km) |
| Serpa to Civitella in Val di Chiana | 1,077.31 mi (1,733.77 km) |
| Serpa to Clusone | 1,052.46 mi (1,693.77 km) |
| Serpa to Coccaglio | 1,044.49 mi (1,680.95 km) |
| Serpa to Codigoro | 1,123.51 mi (1,808.11 km) |
| Serpa to Codogno | 1,021.18 mi (1,643.43 km) |
| Serpa to Codroipo | 1,188.82 mi (1,913.22 km) |
| Serpa to Cogoleto | 952.71 mi (1,533.24 km) |
| Serpa to Colle di Val d'Elsa | 1,048.66 mi (1,687.65 km) |
| Serpa to Colle Salvetti | 1,020.96 mi (1,643.07 km) |
| Serpa to Collecchio | 1,033.77 mi (1,663.69 km) |
| Serpa to Colleferro | 1,121.64 mi (1,805.10 km) |
