| Ilmenau to Civita Castellana | 583.83 mi (939.58 km) |
| Ilmenau to Civitanova Marche | 527.03 mi (848.17 km) |
| Ilmenau to Civitavecchia | 594.56 mi (956.85 km) |
| Ilmenau to Civitella in Val di Chiana | 503.51 mi (810.32 km) |
| Ilmenau to Clusone | 334.66 mi (538.59 km) |
| Ilmenau to Coccaglio | 356.44 mi (573.64 km) |
| Ilmenau to Codigoro | 408.03 mi (656.66 km) |
| Ilmenau to Codogno | 385.77 mi (620.84 km) |
| Ilmenau to Codroipo | 339.63 mi (546.58 km) |
| Ilmenau to Cogoleto | 447.59 mi (720.33 km) |
| Ilmenau to Colle di Val d'Elsa | 503.37 mi (810.09 km) |
| Ilmenau to Colle Salvetti | 489.88 mi (788.38 km) |
| Ilmenau to Collecchio | 411.29 mi (661.90 km) |
| Ilmenau to Colleferro | 626.43 mi (1,008.15 km) |
| Ilmenau to Collegno | 417.15 mi (671.34 km) |
