| Duffel to Rosemont (California) | 5,432.62 mi (8,742.96 km) |
| Duffel to Rosemount (Minnesota) | 4,195.66 mi (6,752.26 km) |
| Duffel to Rosenberg (Texas) | 5,071.33 mi (8,161.51 km) |
| Duffel to Roseville (California) | 5,418.49 mi (8,720.21 km) |
| Duffel to Roseville (Michigan) | 3,929.93 mi (6,324.61 km) |
| Duffel to Roseville (Minnesota) | 4,185.74 mi (6,736.30 km) |
| Duffel to Rossmoor (California) | 5,615.74 mi (9,037.66 km) |
| Duffel to Rossville (Maryland) | 3,819.62 mi (6,147.09 km) |
| Duffel to Roswell (Georgia) | 4,388.70 mi (7,062.94 km) |
| Duffel to Roswell (New Mexico) | 5,189.58 mi (8,351.82 km) |
| Duffel to Round Lake (Illinois) | 4,132.02 mi (6,649.85 km) |
| Duffel to Round Lake Beach (Illinois) | 4,129.41 mi (6,645.65 km) |
| Duffel to Round Rock (Texas) | 5,090.10 mi (8,191.72 km) |
| Duffel to Rowland Heights (California) | 5,599.26 mi (9,011.14 km) |
| Duffel to Rowlett (Texas) | 4,921.73 mi (7,920.75 km) |
