| Red Oak to Orangeburg (South Carolina) | 923.94 mi (1,486.94 km) |
| Red Oak to Orangevale (California) | 1,432.23 mi (2,304.95 km) |
| Red Oak to Orchards (Washington) | 1,641.63 mi (2,641.95 km) |
| Red Oak to Orcutt (California) | 1,365.16 mi (2,197.01 km) |
| Red Oak to Oregon (Ohio) | 967.38 mi (1,556.84 km) |
| Red Oak to Oregon (Wisconsin) | 823.92 mi (1,325.97 km) |
| Red Oak to Oregon City (Oregon) | 1,634.52 mi (2,630.50 km) |
| Red Oak to Orem (Utah) | 986.01 mi (1,586.82 km) |
| Red Oak to Orinda (California) | 1,475.58 mi (2,374.72 km) |
| Red Oak to Orland Park (Illinois) | 796.68 mi (1,282.13 km) |
| Red Oak to Orlando (Florida) | 960.20 mi (1,545.30 km) |
| Red Oak to Ormond Beach (Florida) | 955.12 mi (1,537.11 km) |
| Red Oak to Oro Valley (Arizona) | 826.58 mi (1,330.25 km) |
| Red Oak to Oroville (California) | 1,460.66 mi (2,350.71 km) |
| Red Oak to Oshkosh (Wisconsin) | 910.22 mi (1,464.86 km) |
