| Duisburg to Ridgeland (Mississippi) | 4,777.82 mi (7,689.16 km) |
| Duisburg to Ridgewood (New Jersey) | 3,732.82 mi (6,007.40 km) |
| Duisburg to Rifle (Colorado) | 5,020.16 mi (8,079.16 km) |
| Duisburg to Rincon (Georgia) | 4,431.71 mi (7,132.14 km) |
| Duisburg to Ringwood (New Jersey) | 3,733.67 mi (6,008.77 km) |
| Duisburg to Río Grande (Puerto Rico) | 4,487.50 mi (7,221.93 km) |
| Duisburg to Rio Grande City (Texas) | 5,431.82 mi (8,741.68 km) |
| Duisburg to Rio Linda (California) | 5,470.54 mi (8,803.98 km) |
| Duisburg to Rio Rancho (New Mexico) | 5,221.80 mi (8,403.67 km) |
| Duisburg to Rio Rico (Arizona) | 5,578.34 mi (8,977.47 km) |
| Duisburg to Ripon (California) | 5,518.74 mi (8,881.55 km) |
| Duisburg to River Edge (New Jersey) | 3,732.36 mi (6,006.66 km) |
| Duisburg to River Falls (Wisconsin) | 4,238.83 mi (6,821.74 km) |
| Duisburg to River Forest (Illinois) | 4,213.57 mi (6,781.09 km) |
| Duisburg to River Grove (Illinois) | 4,212.83 mi (6,779.89 km) |
