| Idil to Cividale del Friuli | 1,576.87 mi (2,537.73 km) |
| Idil to Civita Castellana | 1,593.21 mi (2,564.02 km) |
| Idil to Civitanova Marche | 1,531.41 mi (2,464.57 km) |
| Idil to Civitavecchia | 1,623.93 mi (2,613.46 km) |
| Idil to Civitella in Val di Chiana | 1,633.03 mi (2,628.11 km) |
| Idil to Clusone | 1,738.65 mi (2,798.09 km) |
| Idil to Coccaglio | 1,734.19 mi (2,790.91 km) |
| Idil to Codigoro | 1,624.11 mi (2,613.75 km) |
| Idil to Codogno | 1,743.86 mi (2,806.48 km) |
| Idil to Codroipo | 1,596.21 mi (2,568.85 km) |
| Idil to Cogoleto | 1,790.56 mi (2,881.63 km) |
| Idil to Colle di Val d'Elsa | 1,662.14 mi (2,674.96 km) |
| Idil to Colle Salvetti | 1,695.60 mi (2,728.81 km) |
| Idil to Collecchio | 1,715.82 mi (2,761.35 km) |
| Idil to Colleferro | 1,560.69 mi (2,511.69 km) |
