| Ilmenau to Cervello | 771.10 mi (1,240.96 km) |
| Ilmenau to Cervera | 774.08 mi (1,245.77 km) |
| Ilmenau to Ceuti | 1,055.75 mi (1,699.06 km) |
| Ilmenau to Cheste | 956.61 mi (1,539.52 km) |
| Ilmenau to Chiclana de la Frontera | 1,298.37 mi (2,089.52 km) |
| Ilmenau to Chipiona | 1,289.79 mi (2,075.71 km) |
| Ilmenau to Chiva | 958.10 mi (1,541.91 km) |
| Ilmenau to Churriana de la Vega | 1,178.81 mi (1,897.11 km) |
| Ilmenau to Ciempozuelos | 1,009.34 mi (1,624.37 km) |
| Ilmenau to Cieza | 1,050.31 mi (1,690.32 km) |
| Ilmenau to Cisterniga | 971.34 mi (1,563.21 km) |
| Ilmenau to Ciudad de Melilla | 1,269.58 mi (2,043.18 km) |
| Ilmenau to Ciudad Real | 1,083.16 mi (1,743.18 km) |
| Ilmenau to Ciudad-Rodrigo | 1,089.30 mi (1,753.07 km) |
| Ilmenau to Cocentaina | 993.28 mi (1,598.53 km) |
