| Idil to Cortona | 1,618.67 mi (2,605.00 km) |
| Idil to Cosenza | 1,391.99 mi (2,240.18 km) |
| Idil to Cossato | 1,821.21 mi (2,930.95 km) |
| Idil to Costa Volpino | 1,731.01 mi (2,785.80 km) |
| Idil to Creazzo | 1,661.85 mi (2,674.49 km) |
| Idil to Crema | 1,746.62 mi (2,810.91 km) |
| Idil to Cremona | 1,727.76 mi (2,780.56 km) |
| Idil to Crevalcore | 1,670.05 mi (2,687.69 km) |
| Idil to Crispiano | 1,339.17 mi (2,155.19 km) |
| Idil to Crosia | 1,363.77 mi (2,194.77 km) |
| Idil to Crotone | 1,346.31 mi (2,166.68 km) |
| Idil to Cuneo | 1,844.54 mi (2,968.50 km) |
| Idil to Cuorgne | 1,844.90 mi (2,969.08 km) |
| Idil to Cusano Milanino | 1,772.22 mi (2,852.11 km) |
| Idil to Cutro | 1,353.67 mi (2,178.53 km) |
