| Aiken to Caguas (Puerto Rico) | 1,434.42 mi (2,308.47 km) |
| Aiken to Cahokia (Illinois) | 586.04 mi (943.14 km) |
| Aiken to Calabasas (California) | 2,108.88 mi (3,393.92 km) |
| Aiken to Caldwell (Idaho) | 1,994.24 mi (3,209.42 km) |
| Aiken to Caledonia (Wisconsin) | 721.76 mi (1,161.55 km) |
| Aiken to Calera (Alabama) | 291.00 mi (468.32 km) |
| Aiken to Calexico (California) | 1,946.51 mi (3,132.60 km) |
| Aiken to Calhoun (Georgia) | 195.53 mi (314.68 km) |
| Aiken to California (Maryland) | 440.50 mi (708.92 km) |
| Aiken to California City (California) | 2,053.74 mi (3,305.18 km) |
| Aiken to Callaway (Florida) | 324.87 mi (522.82 km) |
| Aiken to Calumet City (Illinois) | 642.73 mi (1,034.38 km) |
| Aiken to Calverton (Maryland) | 465.30 mi (748.83 km) |
| Aiken to Camano (Washington) | 2,322.65 mi (3,737.95 km) |
| Aiken to Camarillo (California) | 2,128.40 mi (3,425.32 km) |
