| Idar-Oberstein to Reidsville (North Carolina) | 4,239.22 mi (6,822.36 km) |
| Idar-Oberstein to Reisterstown (Maryland) | 3,979.79 mi (6,404.85 km) |
| Idar-Oberstein to Rendon (Texas) | 5,120.20 mi (8,240.17 km) |
| Idar-Oberstein to Reno (Nevada) | 5,483.72 mi (8,825.19 km) |
| Idar-Oberstein to Renton (Washington) | 5,077.69 mi (8,171.75 km) |
| Idar-Oberstein to Republic (Missouri) | 4,741.85 mi (7,631.27 km) |
| Idar-Oberstein to Reston (Virginia) | 4,024.14 mi (6,476.22 km) |
| Idar-Oberstein to Revere (Massachusetts) | 3,615.18 mi (5,818.07 km) |
| Idar-Oberstein to Rexburg (Idaho) | 5,007.00 mi (8,057.99 km) |
| Idar-Oberstein to Reynoldsburg (Ohio) | 4,195.85 mi (6,752.57 km) |
| Idar-Oberstein to Rialto (California) | 5,729.96 mi (9,221.48 km) |
| Idar-Oberstein to Richardson (Texas) | 5,079.72 mi (8,175.02 km) |
| Idar-Oberstein to Richfield (Minnesota) | 4,353.05 mi (7,005.55 km) |
| Idar-Oberstein to Richfield (Wisconsin) | 4,250.25 mi (6,840.12 km) |
| Idar-Oberstein to Richland (Washington) | 5,075.03 mi (8,167.47 km) |
