| Ilmenau to Ridgeland (Mississippi) | 4,961.67 mi (7,985.03 km) |
| Ilmenau to Ridgewood (New Jersey) | 3,918.62 mi (6,306.40 km) |
| Ilmenau to Rifle (Colorado) | 5,185.82 mi (8,345.78 km) |
| Ilmenau to Rincon (Georgia) | 4,618.58 mi (7,432.89 km) |
| Ilmenau to Ringwood (New Jersey) | 3,919.36 mi (6,307.61 km) |
| Ilmenau to Río Grande (Puerto Rico) | 4,668.16 mi (7,512.68 km) |
| Ilmenau to Rio Grande City (Texas) | 5,614.15 mi (9,035.10 km) |
| Ilmenau to Rio Linda (California) | 5,620.91 mi (9,045.98 km) |
| Ilmenau to Rio Rancho (New Mexico) | 5,392.25 mi (8,677.99 km) |
| Ilmenau to Rio Rico (Arizona) | 5,747.65 mi (9,249.95 km) |
| Ilmenau to Ripon (California) | 5,670.44 mi (9,125.69 km) |
| Ilmenau to River Edge (New Jersey) | 3,918.20 mi (6,305.73 km) |
| Ilmenau to River Falls (Wisconsin) | 4,412.35 mi (7,100.99 km) |
| Ilmenau to River Forest (Illinois) | 4,392.85 mi (7,069.60 km) |
| Ilmenau to River Grove (Illinois) | 4,392.07 mi (7,068.35 km) |
