| Illingen to Coin | 1,058.65 mi (1,703.73 km) |
| Illingen to Colindres | 647.93 mi (1,042.75 km) |
| Illingen to Collado-Villalba | 808.81 mi (1,301.65 km) |
| Illingen to Colmenar Viejo | 799.63 mi (1,286.87 km) |
| Illingen to Colmenarejo | 813.04 mi (1,308.46 km) |
| Illingen to Conil de la Frontera | 1,120.62 mi (1,803.46 km) |
| Illingen to Consuegra | 861.90 mi (1,387.09 km) |
| Illingen to Corbera de Llobregat | 603.12 mi (970.62 km) |
| Illingen to Cordoba | 987.73 mi (1,589.60 km) |
| Illingen to Coria del Rio | 1,060.65 mi (1,706.96 km) |
| Illingen to Crevillente | 861.88 mi (1,387.06 km) |
| Illingen to Cuarte de Huerva | 661.75 mi (1,064.99 km) |
| Illingen to Cubellas | 621.47 mi (1,000.16 km) |
| Illingen to Cuellar | 778.03 mi (1,252.12 km) |
| Illingen to Cuenca | 784.77 mi (1,262.97 km) |
