| Aiken to Oakley (California) | 2,244.68 mi (3,612.46 km) |
| Aiken to Oakton (Virginia) | 444.76 mi (715.77 km) |
| Aiken to Oakville (Missouri) | 587.96 mi (946.23 km) |
| Aiken to Oatfield (Oregon) | 2,299.96 mi (3,701.43 km) |
| Aiken to Ocala (Florida) | 301.75 mi (485.62 km) |
| Aiken to Ocean Acres (New Jersey) | 595.13 mi (957.78 km) |
| Aiken to Ocean City (New Jersey) | 560.15 mi (901.47 km) |
| Aiken to Ocean Pines (Maryland) | 497.61 mi (800.83 km) |
| Aiken to Ocean Pointe (Hawaii) | 4,655.23 mi (7,491.88 km) |
| Aiken to Ocean Springs (Mississippi) | 466.45 mi (750.68 km) |
| Aiken to Oceanside (California) | 2,042.80 mi (3,287.57 km) |
| Aiken to Oceanside (New York) | 662.49 mi (1,066.18 km) |
| Aiken to Ocoee (Florida) | 342.25 mi (550.80 km) |
| Aiken to Oconomowoc (Wisconsin) | 755.51 mi (1,215.88 km) |
| Aiken to Odenton (Maryland) | 474.00 mi (762.83 km) |
