| Red Oak to Reidsville (North Carolina) | 1,008.80 mi (1,623.51 km) |
| Red Oak to Reisterstown (Maryland) | 1,211.60 mi (1,949.88 km) |
| Red Oak to Rendon (Texas) | 26.41 mi (42.51 km) |
| Red Oak to Reno (Nevada) | 1,372.18 mi (2,208.31 km) |
| Red Oak to Renton (Washington) | 1,682.76 mi (2,708.14 km) |
| Red Oak to Republic (Missouri) | 371.41 mi (597.72 km) |
| Red Oak to Reston (Virginia) | 1,174.29 mi (1,889.84 km) |
| Red Oak to Revere (Massachusetts) | 1,562.13 mi (2,514.01 km) |
| Red Oak to Rexburg (Idaho) | 1,125.36 mi (1,811.09 km) |
| Red Oak to Reynoldsburg (Ohio) | 932.09 mi (1,500.06 km) |
| Red Oak to Rialto (California) | 1,192.58 mi (1,919.27 km) |
| Red Oak to Richardson (Texas) | 31.44 mi (50.60 km) |
| Red Oak to Richfield (Minnesota) | 874.08 mi (1,406.69 km) |
| Red Oak to Richfield (Wisconsin) | 873.75 mi (1,406.16 km) |
| Red Oak to Richland (Washington) | 1,522.95 mi (2,450.96 km) |
