| Monroe to Rosemont (California) | 1,690.26 mi (2,720.20 km) |
| Monroe to Rosemount (Minnesota) | 846.54 mi (1,362.38 km) |
| Monroe to Rosenberg (Texas) | 302.20 mi (486.34 km) |
| Monroe to Roseville (California) | 1,689.81 mi (2,719.49 km) |
| Monroe to Roseville (Michigan) | 851.66 mi (1,370.61 km) |
| Monroe to Roseville (Minnesota) | 865.38 mi (1,392.70 km) |
| Monroe to Rossmoor (California) | 1,502.73 mi (2,418.41 km) |
| Monroe to Rossville (Maryland) | 990.43 mi (1,593.95 km) |
| Monroe to Roswell (Georgia) | 458.35 mi (737.65 km) |
| Monroe to Roswell (New Mexico) | 723.97 mi (1,165.11 km) |
| Monroe to Round Lake (Illinois) | 712.73 mi (1,147.02 km) |
| Monroe to Round Lake Beach (Illinois) | 715.46 mi (1,151.43 km) |
| Monroe to Round Rock (Texas) | 356.59 mi (573.88 km) |
| Monroe to Rowland Heights (California) | 1,491.10 mi (2,399.69 km) |
| Monroe to Rowlett (Texas) | 261.36 mi (420.62 km) |
