| Boppard to Rosemont (California) | 5,564.17 mi (8,954.67 km) |
| Boppard to Rosemount (Minnesota) | 4,339.14 mi (6,983.17 km) |
| Boppard to Rosenberg (Texas) | 5,218.37 mi (8,398.16 km) |
| Boppard to Roseville (California) | 5,549.93 mi (8,931.75 km) |
| Boppard to Roseville (Michigan) | 4,076.63 mi (6,560.70 km) |
| Boppard to Roseville (Minnesota) | 4,329.06 mi (6,966.95 km) |
| Boppard to Rossmoor (California) | 5,752.39 mi (9,257.57 km) |
| Boppard to Rossville (Maryland) | 3,966.98 mi (6,384.23 km) |
| Boppard to Roswell (Georgia) | 4,536.08 mi (7,300.12 km) |
| Boppard to Roswell (New Mexico) | 5,333.55 mi (8,583.53 km) |
| Boppard to Round Lake (Illinois) | 4,277.83 mi (6,884.50 km) |
| Boppard to Round Lake Beach (Illinois) | 4,275.21 mi (6,880.29 km) |
| Boppard to Round Rock (Texas) | 5,236.73 mi (8,427.70 km) |
| Boppard to Rowland Heights (California) | 5,735.94 mi (9,231.10 km) |
| Boppard to Rowlett (Texas) | 5,068.12 mi (8,156.35 km) |
