| Illescas to Collegno | 672.88 mi (1,082.89 km) |
| Illescas to Cologno al Serio | 781.23 mi (1,257.27 km) |
| Illescas to Cologno Monzese | 761.09 mi (1,224.86 km) |
| Illescas to Colorno | 795.29 mi (1,279.90 km) |
| Illescas to Comacchio | 874.47 mi (1,407.32 km) |
| Illescas to Comiso | 1,018.03 mi (1,638.35 km) |
| Illescas to Como | 761.15 mi (1,224.96 km) |
| Illescas to Concordia Sagittaria | 927.38 mi (1,492.47 km) |
| Illescas to Concorezzo | 765.40 mi (1,231.78 km) |
| Illescas to Conegliano | 905.12 mi (1,456.64 km) |
| Illescas to Conselice | 854.49 mi (1,375.18 km) |
| Illescas to Conselve | 870.46 mi (1,400.87 km) |
| Illescas to Conversano | 1,098.94 mi (1,768.57 km) |
| Illescas to Copertino | 1,152.09 mi (1,854.11 km) |
| Illescas to Copparo | 861.89 mi (1,387.08 km) |
