| Idar-Oberstein to Roy (Utah) | 5,162.82 mi (8,308.76 km) |
| Idar-Oberstein to Royal Kunia (Hawaii) | 7,441.44 mi (11,975.84 km) |
| Idar-Oberstein to Royal Oak (Michigan) | 4,092.66 mi (6,586.50 km) |
| Idar-Oberstein to Royal Palm Beach (Florida) | 4,728.18 mi (7,609.28 km) |
| Idar-Oberstein to Royse City (Texas) | 5,064.60 mi (8,150.69 km) |
| Idar-Oberstein to Ruskin (Florida) | 4,771.90 mi (7,679.64 km) |
| Idar-Oberstein to Russellville (Alabama) | 4,652.64 mi (7,487.70 km) |
| Idar-Oberstein to Russellville (Arkansas) | 4,824.95 mi (7,765.01 km) |
| Idar-Oberstein to Ruston (Louisiana) | 4,945.51 mi (7,959.03 km) |
| Idar-Oberstein to Rutherford (New Jersey) | 3,809.44 mi (6,130.70 km) |
| Idar-Oberstein to Rutland (Vermont) | 3,645.71 mi (5,867.20 km) |
| Idar-Oberstein to Sabana Grande (Puerto Rico) | 4,574.87 mi (7,362.54 km) |
| Idar-Oberstein to Sachse (Texas) | 5,074.73 mi (8,167.00 km) |
| Idar-Oberstein to Saco (Maine) | 3,547.21 mi (5,708.68 km) |
| Idar-Oberstein to Sacramento (California) | 5,586.75 mi (8,991.01 km) |
