| Ilmenau to Creutzwald | 213.74 mi (343.98 km) |
| Ilmenau to Croissy-sur-Seine | 410.70 mi (660.96 km) |
| Ilmenau to Croix | 339.95 mi (547.10 km) |
| Ilmenau to Crosne | 401.46 mi (646.09 km) |
| Ilmenau to Cuers | 562.71 mi (905.59 km) |
| Ilmenau to Cugnaux | 667.17 mi (1,073.71 km) |
| Ilmenau to Cusset | 464.31 mi (747.23 km) |
| Ilmenau to Dammarie-le-Lys | 399.54 mi (642.99 km) |
| Ilmenau to Dammartin-en-Goele | 383.52 mi (617.21 km) |
| Ilmenau to Dardilly | 440.27 mi (708.54 km) |
| Ilmenau to Darnetal | 441.28 mi (710.18 km) |
| Ilmenau to Dax | 738.63 mi (1,188.71 km) |
| Ilmenau to Decines-Charpieu | 436.24 mi (702.05 km) |
| Ilmenau to Denain | 331.41 mi (533.35 km) |
| Ilmenau to Deuil-la-Barre | 400.43 mi (644.43 km) |
