| Cities | Distance |
| Ilmenau to Clondalkin | 756.60 mi (1,217.63 km) |
| Ilmenau to Clonmel | 806.98 mi (1,298.70 km) |
| Ilmenau to Cobh | 832.18 mi (1,339.27 km) |
| Ilmenau to Cork | 839.46 mi (1,350.98 km) |
| Ilmenau to Donegal | 840.06 mi (1,351.95 km) |
| Ilmenau to Douglas | 838.05 mi (1,348.71 km) |
| Ilmenau to Drogheda | 758.67 mi (1,220.96 km) |
| Ilmenau to Dublin | 751.35 mi (1,209.18 km) |
| Ilmenau to Dun Dealgan | 764.21 mi (1,229.87 km) |
| Ilmenau to Ennis | 861.06 mi (1,385.75 km) |
| Ilmenau to Enniscorthy | 759.03 mi (1,221.54 km) |
| Ilmenau to Finglas | 750.63 mi (1,208.02 km) |
| Ilmenau to Galway | 865.40 mi (1,392.73 km) |
| Ilmenau to Glanmire | 836.43 mi (1,346.11 km) |
| Ilmenau to Glencullen | 748.47 mi (1,204.55 km) |