| Duisburg to Rockville (Maryland) | 3,940.29 mi (6,341.29 km) |
| Duisburg to Rockville Centre (New York) | 3,728.23 mi (6,000.00 km) |
| Duisburg to Rockwall (Texas) | 4,989.76 mi (8,030.25 km) |
| Duisburg to Rocky Mount (North Carolina) | 4,113.45 mi (6,619.96 km) |
| Duisburg to Rocky Point (New York) | 3,688.10 mi (5,935.43 km) |
| Duisburg to Rocky River (Ohio) | 4,011.29 mi (6,455.55 km) |
| Duisburg to Roessleville (New York) | 3,644.26 mi (5,864.87 km) |
| Duisburg to Rogers (Arkansas) | 4,726.67 mi (7,606.85 km) |
| Duisburg to Rogers (Minnesota) | 4,255.30 mi (6,848.24 km) |
| Duisburg to Rohnert Park (California) | 5,524.44 mi (8,890.72 km) |
| Duisburg to Rolla (Missouri) | 4,554.94 mi (7,330.47 km) |
| Duisburg to Rolling Meadows (Illinois) | 4,212.35 mi (6,779.12 km) |
| Duisburg to Roma (Texas) | 5,436.86 mi (8,749.78 km) |
| Duisburg to Rome (Georgia) | 4,490.63 mi (7,226.96 km) |
| Duisburg to Rome (New York) | 3,687.07 mi (5,933.77 km) |
