| Idanha-a-Nova to Chivasso | 849.71 mi (1,367.48 km) |
| Idanha-a-Nova to Ciampino | 1,042.21 mi (1,677.27 km) |
| Idanha-a-Nova to Cicciano | 1,143.92 mi (1,840.96 km) |
| Idanha-a-Nova to Cingoli | 1,079.54 mi (1,737.35 km) |
| Idanha-a-Nova to Cinisello Balsamo | 918.83 mi (1,478.71 km) |
| Idanha-a-Nova to Cinisi | 1,095.44 mi (1,762.95 km) |
| Idanha-a-Nova to Cirie | 837.70 mi (1,348.14 km) |
| Idanha-a-Nova to Ciro Marina | 1,292.64 mi (2,080.30 km) |
| Idanha-a-Nova to Cislago | 909.77 mi (1,464.13 km) |
| Idanha-a-Nova to Cisterna di Latina | 1,053.96 mi (1,696.19 km) |
| Idanha-a-Nova to Cisternino | 1,296.28 mi (2,086.16 km) |
| Idanha-a-Nova to Citta di Castello | 1,031.74 mi (1,660.43 km) |
| Idanha-a-Nova to Citta Sant'Angelo | 1,117.61 mi (1,798.61 km) |
| Idanha-a-Nova to Cittadella | 1,039.28 mi (1,672.57 km) |
| Idanha-a-Nova to Cittanova | 1,250.75 mi (2,012.88 km) |
