| Red Oak to Odenton (Maryland) | 1,210.17 mi (1,947.59 km) |
| Red Oak to Odessa (Texas) | 327.93 mi (527.75 km) |
| Red Oak to Ogden (Utah) | 1,029.98 mi (1,657.59 km) |
| Red Oak to Oildale (California) | 1,287.46 mi (2,071.96 km) |
| Red Oak to Ojus (Florida) | 1,098.50 mi (1,767.86 km) |
| Red Oak to Okemos (Michigan) | 974.55 mi (1,568.38 km) |
| Red Oak to Oklahoma City (Oklahoma) | 207.79 mi (334.41 km) |
| Red Oak to Okmulgee (Oklahoma) | 218.26 mi (351.26 km) |
| Red Oak to Olathe (Kansas) | 453.18 mi (729.32 km) |
| Red Oak to Old Jamestown (Missouri) | 568.63 mi (915.12 km) |
| Red Oak to Oldsmar (Florida) | 896.19 mi (1,442.28 km) |
| Red Oak to Olean (New York) | 1,201.79 mi (1,934.09 km) |
| Red Oak to Olive Branch (Mississippi) | 432.76 mi (696.46 km) |
| Red Oak to Olivehurst (California) | 1,454.76 mi (2,341.21 km) |
| Red Oak to Olney (Maryland) | 1,192.26 mi (1,918.76 km) |
