| Ilmenau to Reidsville (North Carolina) | 4,356.59 mi (7,011.25 km) |
| Ilmenau to Reisterstown (Maryland) | 4,095.18 mi (6,590.55 km) |
| Ilmenau to Rendon (Texas) | 5,217.14 mi (8,396.17 km) |
| Ilmenau to Reno (Nevada) | 5,527.63 mi (8,895.86 km) |
| Ilmenau to Renton (Washington) | 5,105.03 mi (8,215.76 km) |
| Ilmenau to Republic (Missouri) | 4,837.15 mi (7,784.64 km) |
| Ilmenau to Reston (Virginia) | 4,139.80 mi (6,662.36 km) |
| Ilmenau to Revere (Massachusetts) | 3,732.01 mi (6,006.09 km) |
| Ilmenau to Rexburg (Idaho) | 5,059.14 mi (8,141.89 km) |
| Ilmenau to Reynoldsburg (Ohio) | 4,301.94 mi (6,923.30 km) |
| Ilmenau to Rialto (California) | 5,786.93 mi (9,313.17 km) |
| Ilmenau to Richardson (Texas) | 5,176.89 mi (8,331.39 km) |
| Ilmenau to Richfield (Minnesota) | 4,433.63 mi (7,135.24 km) |
| Ilmenau to Richfield (Wisconsin) | 4,341.78 mi (6,987.42 km) |
| Ilmenau to Richland (Washington) | 5,109.53 mi (8,223.00 km) |
