| Illescas to Chivasso | 690.11 mi (1,110.62 km) |
| Illescas to Ciampino | 863.96 mi (1,390.40 km) |
| Illescas to Cicciano | 964.37 mi (1,552.00 km) |
| Illescas to Cingoli | 905.44 mi (1,457.17 km) |
| Illescas to Cinisello Balsamo | 759.01 mi (1,221.51 km) |
| Illescas to Cinisi | 915.93 mi (1,474.05 km) |
| Illescas to Cirie | 679.03 mi (1,092.80 km) |
| Illescas to Ciro Marina | 1,112.22 mi (1,789.95 km) |
| Illescas to Cislago | 751.08 mi (1,208.75 km) |
| Illescas to Cisterna di Latina | 875.30 mi (1,408.66 km) |
| Illescas to Cisternino | 1,116.65 mi (1,797.07 km) |
| Illescas to Citta di Castello | 858.31 mi (1,381.32 km) |
| Illescas to Citta Sant'Angelo | 940.89 mi (1,514.21 km) |
| Illescas to Cittadella | 876.19 mi (1,410.10 km) |
| Illescas to Cittanova | 1,070.59 mi (1,722.95 km) |
