| Ilmenau to Carpentras | 533.64 mi (858.81 km) |
| Ilmenau to Carquefou | 608.51 mi (979.30 km) |
| Ilmenau to Carqueiranne | 571.78 mi (920.19 km) |
| Ilmenau to Carrieres-sous-Poissy | 413.40 mi (665.30 km) |
| Ilmenau to Carrieres-sur-Seine | 403.66 mi (649.63 km) |
| Ilmenau to Carros | 508.36 mi (818.12 km) |
| Ilmenau to Carvin | 349.31 mi (562.17 km) |
| Ilmenau to Castanet-Tolosan | 663.53 mi (1,067.85 km) |
| Ilmenau to Castelginest | 656.00 mi (1,055.73 km) |
| Ilmenau to Castelnau-le-Lez | 587.43 mi (945.38 km) |
| Ilmenau to Castelnaudary | 660.45 mi (1,062.89 km) |
| Ilmenau to Castelsarrasin | 648.29 mi (1,043.31 km) |
| Ilmenau to Castres | 635.96 mi (1,023.47 km) |
| Ilmenau to Caudebec-les-Elbeuf | 449.96 mi (724.14 km) |
| Ilmenau to Caudry | 332.72 mi (535.46 km) |
