| Ilmenau to Odessa (Texas) | 5,437.02 mi (8,750.04 km) |
| Ilmenau to Ogden (Utah) | 5,213.45 mi (8,390.24 km) |
| Ilmenau to Oildale (California) | 5,754.24 mi (9,260.55 km) |
| Ilmenau to Ojus (Florida) | 4,895.93 mi (7,879.24 km) |
| Ilmenau to Okemos (Michigan) | 4,229.88 mi (6,807.34 km) |
| Ilmenau to Oklahoma City (Oklahoma) | 5,071.21 mi (8,161.33 km) |
| Ilmenau to Okmulgee (Oklahoma) | 5,009.91 mi (8,062.68 km) |
| Ilmenau to Olathe (Kansas) | 4,794.97 mi (7,716.76 km) |
| Ilmenau to Old Jamestown (Missouri) | 4,635.39 mi (7,459.95 km) |
| Ilmenau to Oldsmar (Florida) | 4,892.04 mi (7,872.98 km) |
| Ilmenau to Olean (New York) | 4,035.80 mi (6,494.99 km) |
| Ilmenau to Olive Branch (Mississippi) | 4,818.39 mi (7,754.45 km) |
| Ilmenau to Olivehurst (California) | 5,599.98 mi (9,012.29 km) |
| Ilmenau to Olney (Maryland) | 4,119.75 mi (6,630.10 km) |
| Ilmenau to Olympia (Washington) | 5,147.32 mi (8,283.81 km) |
