| Ilmenau to Oakley (California) | 5,669.70 mi (9,124.50 km) |
| Ilmenau to Oakton (Virginia) | 4,140.92 mi (6,664.17 km) |
| Ilmenau to Oakville (Missouri) | 4,656.66 mi (7,494.17 km) |
| Ilmenau to Oatfield (Oregon) | 5,239.58 mi (8,432.30 km) |
| Ilmenau to Ocala (Florida) | 4,813.22 mi (7,746.13 km) |
| Ilmenau to Ocean Acres (New Jersey) | 3,981.75 mi (6,408.01 km) |
| Ilmenau to Ocean City (New Jersey) | 4,016.40 mi (6,463.77 km) |
| Ilmenau to Ocean Pines (Maryland) | 4,079.19 mi (6,564.82 km) |
| Ilmenau to Ocean Pointe (Hawaii) | 7,416.71 mi (11,936.03 km) |
| Ilmenau to Ocean Springs (Mississippi) | 5,014.38 mi (8,069.86 km) |
| Ilmenau to Oceanside (California) | 5,838.02 mi (9,395.39 km) |
| Ilmenau to Oceanside (New York) | 3,915.63 mi (6,301.61 km) |
| Ilmenau to Ocoee (Florida) | 4,818.51 mi (7,754.64 km) |
| Ilmenau to Oconomowoc (Wisconsin) | 4,357.52 mi (7,012.75 km) |
| Ilmenau to Odenton (Maryland) | 4,108.65 mi (6,612.23 km) |
