| Aiken to Castle Rock (Colorado) | 1,342.84 mi (2,161.09 km) |
| Aiken to Castro Valley (California) | 2,266.30 mi (3,647.25 km) |
| Aiken to Catalina Foothills (Arizona) | 1,687.68 mi (2,716.06 km) |
| Aiken to Cataño (Puerto Rico) | 1,419.07 mi (2,283.77 km) |
| Aiken to Cathedral City (California) | 1,987.63 mi (3,198.78 km) |
| Aiken to Catonsville (Maryland) | 483.37 mi (777.90 km) |
| Aiken to Cave Spring (Virginia) | 273.06 mi (439.45 km) |
| Aiken to Cayce (South Carolina) | 48.68 mi (78.35 km) |
| Aiken to Cayey (Puerto Rico) | 1,435.50 mi (2,310.22 km) |
| Aiken to Cedar City (Utah) | 1,776.86 mi (2,859.58 km) |
| Aiken to Cedar Falls (Iowa) | 851.02 mi (1,369.59 km) |
| Aiken to Cedar Hill (Texas) | 883.72 mi (1,422.21 km) |
| Aiken to Cedar Lake (Indiana) | 625.37 mi (1,006.43 km) |
| Aiken to Cedar Mill (Oregon) | 2,310.86 mi (3,718.97 km) |
| Aiken to Cedar Park (Texas) | 964.45 mi (1,552.14 km) |
