| Red Oak to Robertsville (New Jersey) | 1,357.11 mi (2,184.06 km) |
| Red Oak to Robinson (Texas) | 76.54 mi (123.18 km) |
| Red Oak to Robstown (Texas) | 330.84 mi (532.44 km) |
| Red Oak to Rochester (Michigan) | 1,023.67 mi (1,647.43 km) |
| Red Oak to Rochester (Minnesota) | 827.53 mi (1,331.78 km) |
| Red Oak to Rochester (New Hampshire) | 1,582.57 mi (2,546.91 km) |
| Red Oak to Rochester (New York) | 1,273.75 mi (2,049.91 km) |
| Red Oak to Rochester Hills (Michigan) | 1,021.27 mi (1,643.57 km) |
| Red Oak to Rock Hill (South Carolina) | 920.02 mi (1,480.63 km) |
| Red Oak to Rock Island (Illinois) | 706.26 mi (1,136.62 km) |
| Red Oak to Rock Springs (Wyoming) | 927.22 mi (1,492.22 km) |
| Red Oak to Rockford (Illinois) | 794.46 mi (1,278.56 km) |
| Red Oak to Rockledge (Florida) | 998.20 mi (1,606.45 km) |
| Red Oak to Rocklin (California) | 1,435.14 mi (2,309.63 km) |
| Red Oak to Rockport (Texas) | 310.85 mi (500.26 km) |
