| Red Oak to Rosemont (California) | 1,437.77 mi (2,313.88 km) |
| Red Oak to Rosemount (Minnesota) | 867.97 mi (1,396.87 km) |
| Red Oak to Rosenberg (Texas) | 213.37 mi (343.39 km) |
| Red Oak to Roseville (California) | 1,438.44 mi (2,314.95 km) |
| Red Oak to Roseville (Michigan) | 1,023.28 mi (1,646.82 km) |
| Red Oak to Roseville (Minnesota) | 884.91 mi (1,424.13 km) |
| Red Oak to Rossmoor (California) | 1,232.64 mi (1,983.75 km) |
| Red Oak to Rossville (Maryland) | 1,226.90 mi (1,974.51 km) |
| Red Oak to Roswell (Georgia) | 725.43 mi (1,167.47 km) |
| Red Oak to Roswell (New Mexico) | 452.67 mi (728.50 km) |
| Red Oak to Round Lake (Illinois) | 828.07 mi (1,332.66 km) |
| Red Oak to Round Lake Beach (Illinois) | 830.79 mi (1,337.03 km) |
| Red Oak to Round Rock (Texas) | 147.16 mi (236.83 km) |
| Red Oak to Rowland Heights (California) | 1,221.46 mi (1,965.76 km) |
| Red Oak to Rowlett (Texas) | 30.55 mi (49.16 km) |
