| Ilmenau to Cartagena | 1,076.58 mi (1,732.59 km) |
| Ilmenau to Cartama | 1,233.86 mi (1,985.71 km) |
| Ilmenau to Cartaya | 1,283.37 mi (2,065.38 km) |
| Ilmenau to Caspe | 836.69 mi (1,346.53 km) |
| Ilmenau to Cassa de la Selva | 717.93 mi (1,155.40 km) |
| Ilmenau to Castalla | 1,008.39 mi (1,622.85 km) |
| Ilmenau to Castellbisbal | 765.70 mi (1,232.27 km) |
| Ilmenau to Castelldefels | 777.55 mi (1,251.34 km) |
| Ilmenau to Castello de Ampurias | 690.69 mi (1,111.57 km) |
| Ilmenau to Castellon de la Plana | 908.76 mi (1,462.51 km) |
| Ilmenau to Castilleja de la Cuesta | 1,241.11 mi (1,997.38 km) |
| Ilmenau to Catarroja | 953.25 mi (1,534.11 km) |
| Ilmenau to Catral | 1,038.18 mi (1,670.79 km) |
| Ilmenau to Caudete | 1,010.75 mi (1,626.65 km) |
| Ilmenau to Cehegin | 1,069.70 mi (1,721.51 km) |
