| Red Oak to Ramsey (New Jersey) | 1,379.25 mi (2,219.68 km) |
| Red Oak to Rancho Cordova (California) | 1,432.60 mi (2,305.54 km) |
| Red Oak to Rancho Cucamonga (California) | 1,202.73 mi (1,935.61 km) |
| Red Oak to Rancho Mirage (California) | 1,137.77 mi (1,831.07 km) |
| Red Oak to Rancho Palos Verdes (California) | 1,248.97 mi (2,010.02 km) |
| Red Oak to Rancho San Diego (California) | 1,169.71 mi (1,882.46 km) |
| Red Oak to Rancho Santa Margarita (California) | 1,205.36 mi (1,939.84 km) |
| Red Oak to Randallstown (Maryland) | 1,210.52 mi (1,948.15 km) |
| Red Oak to Rantoul (Illinois) | 719.98 mi (1,158.69 km) |
| Red Oak to Rapid City (South Dakota) | 870.27 mi (1,400.57 km) |
| Red Oak to Ravenna (Ohio) | 1,043.92 mi (1,680.03 km) |
| Red Oak to Raymondville (Texas) | 421.91 mi (678.99 km) |
| Red Oak to Raymore (Missouri) | 453.23 mi (729.40 km) |
| Red Oak to Raytown (Missouri) | 465.78 mi (749.59 km) |
| Red Oak to Reading (Ohio) | 831.15 mi (1,337.60 km) |
