| Illescas to Cabestany | 393.18 mi (632.76 km) |
| Illescas to Cabries | 526.94 mi (848.02 km) |
| Illescas to Cachan | 671.57 mi (1,080.78 km) |
| Illescas to Caen | 648.75 mi (1,044.07 km) |
| Illescas to Cagnes-sur-Mer | 615.12 mi (989.94 km) |
| Illescas to Cahors | 402.58 mi (647.90 km) |
| Illescas to Calais | 796.83 mi (1,282.38 km) |
| Illescas to Caluire-et-Cuire | 588.12 mi (946.48 km) |
| Illescas to Cambrai | 774.91 mi (1,247.10 km) |
| Illescas to Canet-en-Roussillon | 396.87 mi (638.70 km) |
| Illescas to Cannes | 606.09 mi (975.41 km) |
| Illescas to Canteleu | 687.36 mi (1,106.20 km) |
| Illescas to Capbreton | 273.07 mi (439.46 km) |
| Illescas to Carcassonne | 383.95 mi (617.91 km) |
| Illescas to Carmaux | 409.94 mi (659.74 km) |
