| Clemmons to Castle Pines (Colorado) | 1,354.16 mi (2,179.31 km) |
| Clemmons to Castle Rock (Colorado) | 1,353.02 mi (2,177.47 km) |
| Clemmons to Castro Valley (California) | 2,287.48 mi (3,681.34 km) |
| Clemmons to Catalina Foothills (Arizona) | 1,755.12 mi (2,824.59 km) |
| Clemmons to Cataño (Puerto Rico) | 1,493.87 mi (2,404.16 km) |
| Clemmons to Cathedral City (California) | 2,037.58 mi (3,279.17 km) |
| Clemmons to Catonsville (Maryland) | 299.31 mi (481.70 km) |
| Clemmons to Cave Spring (Virginia) | 85.10 mi (136.95 km) |
| Clemmons to Cayce (South Carolina) | 148.85 mi (239.54 km) |
| Clemmons to Cayey (Puerto Rico) | 1,512.01 mi (2,433.34 km) |
| Clemmons to Cedar City (Utah) | 1,802.73 mi (2,901.22 km) |
| Clemmons to Cedar Falls (Iowa) | 784.58 mi (1,262.66 km) |
| Clemmons to Cedar Hill (Texas) | 974.11 mi (1,567.68 km) |
| Clemmons to Cedar Lake (Indiana) | 529.40 mi (851.99 km) |
| Clemmons to Cedar Mill (Oregon) | 2,284.78 mi (3,676.99 km) |
