| Port Talbot to Cookeville (Tennessee) | 3,985.83 mi (6,414.57 km) |
| Port Talbot to Coolidge (Arizona) | 5,147.27 mi (8,283.74 km) |
| Port Talbot to Coon Rapids (Minnesota) | 3,867.68 mi (6,224.43 km) |
| Port Talbot to Cooper City (Florida) | 4,261.23 mi (6,857.78 km) |
| Port Talbot to Coos Bay (Oregon) | 4,972.93 mi (8,003.15 km) |
| Port Talbot to Copiague (New York) | 3,285.22 mi (5,287.05 km) |
| Port Talbot to Coppell (Texas) | 4,600.79 mi (7,404.26 km) |
| Port Talbot to Copperas Cove (Texas) | 4,731.59 mi (7,614.77 km) |
| Port Talbot to Coral Gables (Florida) | 4,277.84 mi (6,884.51 km) |
| Port Talbot to Coral Springs (Florida) | 4,248.83 mi (6,837.83 km) |
| Port Talbot to Coral Terrace (Florida) | 4,277.11 mi (6,883.35 km) |
| Port Talbot to Coralville (Iowa) | 3,964.50 mi (6,380.24 km) |
| Port Talbot to Coram (New York) | 3,260.33 mi (5,247.00 km) |
| Port Talbot to Corcoran (California) | 5,245.53 mi (8,441.87 km) |
| Port Talbot to Cordele (Georgia) | 4,115.67 mi (6,623.54 km) |
