| Red Oak to Roy (Utah) | 1,031.57 mi (1,660.16 km) |
| Red Oak to Royal Kunia (Hawaii) | 3,798.78 mi (6,113.54 km) |
| Red Oak to Royal Oak (Michigan) | 1,014.63 mi (1,632.89 km) |
| Red Oak to Royal Palm Beach (Florida) | 1,071.45 mi (1,724.32 km) |
| Red Oak to Royse City (Texas) | 41.61 mi (66.97 km) |
| Red Oak to Ruskin (Florida) | 919.79 mi (1,480.26 km) |
| Red Oak to Russellville (Alabama) | 539.31 mi (867.94 km) |
| Red Oak to Russellville (Arkansas) | 282.82 mi (455.15 km) |
| Red Oak to Ruston (Louisiana) | 241.76 mi (389.08 km) |
| Red Oak to Rutherford (New Jersey) | 1,376.19 mi (2,214.77 km) |
| Red Oak to Rutland (Vermont) | 1,496.69 mi (2,408.69 km) |
| Red Oak to Sabana Grande (Puerto Rico) | 2,102.32 mi (3,383.36 km) |
| Red Oak to Sachse (Texas) | 33.43 mi (53.81 km) |
| Red Oak to Saco (Maine) | 1,612.51 mi (2,595.09 km) |
| Red Oak to Sacramento (California) | 1,444.03 mi (2,323.95 km) |
