| Illingen to Cervello | 603.89 mi (971.87 km) |
| Illingen to Cervera | 601.37 mi (967.81 km) |
| Illingen to Ceuti | 883.08 mi (1,421.17 km) |
| Illingen to Cheste | 782.17 mi (1,258.78 km) |
| Illingen to Chiclana de la Frontera | 1,113.82 mi (1,792.52 km) |
| Illingen to Chipiona | 1,104.01 mi (1,776.72 km) |
| Illingen to Chiva | 783.53 mi (1,260.96 km) |
| Illingen to Churriana de la Vega | 999.58 mi (1,608.67 km) |
| Illingen to Ciempozuelos | 822.70 mi (1,324.01 km) |
| Illingen to Cieza | 876.52 mi (1,410.63 km) |
| Illingen to Cisterniga | 779.68 mi (1,254.77 km) |
| Illingen to Ciudad de Melilla | 1,097.40 mi (1,766.09 km) |
| Illingen to Ciudad Real | 898.63 mi (1,446.20 km) |
| Illingen to Ciudad-Rodrigo | 897.01 mi (1,443.61 km) |
| Illingen to Cocentaina | 822.42 mi (1,323.56 km) |
