| Aiken to Odessa (Texas) | 1,202.12 mi (1,934.63 km) |
| Aiken to Ogden (Utah) | 1,733.29 mi (2,789.46 km) |
| Aiken to Oildale (California) | 2,116.11 mi (3,405.55 km) |
| Aiken to Ojus (Florida) | 531.66 mi (855.62 km) |
| Aiken to Okemos (Michigan) | 650.46 mi (1,046.81 km) |
| Aiken to Oklahoma City (Oklahoma) | 907.82 mi (1,461.00 km) |
| Aiken to Okmulgee (Oklahoma) | 824.28 mi (1,326.55 km) |
| Aiken to Olathe (Kansas) | 817.18 mi (1,315.12 km) |
| Aiken to Old Jamestown (Missouri) | 601.44 mi (967.93 km) |
| Aiken to Oldsmar (Florida) | 382.72 mi (615.92 km) |
| Aiken to Olean (New York) | 617.49 mi (993.76 km) |
| Aiken to Olive Branch (Mississippi) | 474.03 mi (762.88 km) |
| Aiken to Olivehurst (California) | 2,232.49 mi (3,592.84 km) |
| Aiken to Olney (Maryland) | 466.44 mi (750.66 km) |
| Aiken to Olympia (Washington) | 2,328.96 mi (3,748.09 km) |
