| Ilmenau to Cankova | 359.11 mi (577.94 km) |
| Ilmenau to Celje | 366.11 mi (589.20 km) |
| Ilmenau to Cerklje na Gorenjskem | 347.17 mi (558.71 km) |
| Ilmenau to Cerknica | 372.83 mi (600.01 km) |
| Ilmenau to Cerkno | 344.79 mi (554.88 km) |
| Ilmenau to Cerkvenjak | 365.32 mi (587.92 km) |
| Ilmenau to Cirkulane | 379.13 mi (610.14 km) |
| Ilmenau to Crensovci | 375.09 mi (603.64 km) |
| Ilmenau to Crna na Koroskem | 342.01 mi (550.42 km) |
| Ilmenau to Crnomelj | 404.27 mi (650.60 km) |
| Ilmenau to Destrnik | 367.62 mi (591.63 km) |
| Ilmenau to Divaca | 373.00 mi (600.28 km) |
| Ilmenau to Dobje | 375.11 mi (603.68 km) |
| Ilmenau to Dobrna | 359.13 mi (577.97 km) |
| Ilmenau to Dobrova | 357.81 mi (575.84 km) |
