| Idil to Cassina de' Pecchi | 1,763.13 mi (2,837.48 km) |
| Idil to Cassino | 1,518.07 mi (2,443.10 km) |
| Idil to Castagneto Carducci | 1,687.91 mi (2,716.43 km) |
| Idil to Castano Primo | 1,792.23 mi (2,884.32 km) |
| Idil to Castel Bolognese | 1,634.97 mi (2,631.24 km) |
| Idil to Castel Gandolfo | 1,579.51 mi (2,541.98 km) |
| Idil to Castel Goffredo | 1,707.87 mi (2,748.56 km) |
| Idil to Castel Maggiore | 1,658.23 mi (2,668.67 km) |
| Idil to Castel Mella | 1,725.37 mi (2,776.71 km) |
| Idil to Castel San Giorgio | 1,472.09 mi (2,369.10 km) |
| Idil to Castel San Giovanni | 1,756.18 mi (2,826.30 km) |
| Idil to Castel San Pietro Terme | 1,646.27 mi (2,649.42 km) |
| Idil to Castel Volturno | 1,513.15 mi (2,435.17 km) |
| Idil to Castelbuono | 1,515.63 mi (2,439.18 km) |
| Idil to Casteldaccia | 1,545.27 mi (2,486.87 km) |
