| Ilmenau to Robertsville (New Jersey) | 3,954.98 mi (6,364.93 km) |
| Ilmenau to Robinson (Texas) | 5,274.10 mi (8,487.84 km) |
| Ilmenau to Robstown (Texas) | 5,493.53 mi (8,840.98 km) |
| Ilmenau to Rochester (Michigan) | 4,183.31 mi (6,732.39 km) |
| Ilmenau to Rochester (Minnesota) | 4,449.97 mi (7,161.53 km) |
| Ilmenau to Rochester (New Hampshire) | 3,692.81 mi (5,943.01 km) |
| Ilmenau to Rochester (New York) | 3,954.99 mi (6,364.94 km) |
| Ilmenau to Rochester Hills (Michigan) | 4,185.71 mi (6,736.25 km) |
| Ilmenau to Rock Hill (South Carolina) | 4,478.50 mi (7,207.45 km) |
| Ilmenau to Rock Island (Illinois) | 4,512.65 mi (7,262.40 km) |
| Ilmenau to Rock Springs (Wyoming) | 5,112.75 mi (8,228.17 km) |
| Ilmenau to Rockford (Illinois) | 4,419.26 mi (7,112.12 km) |
| Ilmenau to Rockledge (Florida) | 4,799.00 mi (7,723.25 km) |
| Ilmenau to Rocklin (California) | 5,608.68 mi (9,026.30 km) |
| Ilmenau to Rockport (Texas) | 5,458.37 mi (8,784.41 km) |
