| Idanha-a-Nova to Corato | 1,240.16 mi (1,995.84 km) |
| Idanha-a-Nova to Corbetta | 903.22 mi (1,453.59 km) |
| Idanha-a-Nova to Corciano | 1,031.18 mi (1,659.53 km) |
| Idanha-a-Nova to Cordenons | 1,087.99 mi (1,750.95 km) |
| Idanha-a-Nova to Cori | 1,058.30 mi (1,703.18 km) |
| Idanha-a-Nova to Coriano | 1,054.11 mi (1,696.42 km) |
| Idanha-a-Nova to Corigliano Calabro | 1,257.95 mi (2,024.47 km) |
| Idanha-a-Nova to Corleone | 1,111.60 mi (1,788.95 km) |
| Idanha-a-Nova to Cormano | 916.55 mi (1,475.04 km) |
| Idanha-a-Nova to Cornaredo | 909.31 mi (1,463.39 km) |
| Idanha-a-Nova to Cornate d'Adda | 932.52 mi (1,500.74 km) |
| Idanha-a-Nova to Cornedo Vicentino | 1,018.52 mi (1,639.15 km) |
| Idanha-a-Nova to Correggio | 976.71 mi (1,571.86 km) |
| Idanha-a-Nova to Corridonia | 1,093.80 mi (1,760.30 km) |
| Idanha-a-Nova to Corsico | 911.62 mi (1,467.11 km) |
