| Cwmbran to Cookeville (Tennessee) | 4,015.90 mi (6,462.96 km) |
| Cwmbran to Coolidge (Arizona) | 5,172.44 mi (8,324.23 km) |
| Cwmbran to Coon Rapids (Minnesota) | 3,893.71 mi (6,266.31 km) |
| Cwmbran to Cooper City (Florida) | 4,293.76 mi (6,910.14 km) |
| Cwmbran to Coos Bay (Oregon) | 4,991.55 mi (8,033.12 km) |
| Cwmbran to Copiague (New York) | 3,316.15 mi (5,336.83 km) |
| Cwmbran to Coppell (Texas) | 4,629.41 mi (7,450.31 km) |
| Cwmbran to Copperas Cove (Texas) | 4,760.42 mi (7,661.16 km) |
| Cwmbran to Coral Gables (Florida) | 4,310.41 mi (6,936.94 km) |
| Cwmbran to Coral Springs (Florida) | 4,281.34 mi (6,890.15 km) |
| Cwmbran to Coral Terrace (Florida) | 4,309.68 mi (6,935.75 km) |
| Cwmbran to Coralville (Iowa) | 3,991.97 mi (6,424.46 km) |
| Cwmbran to Coram (New York) | 3,291.27 mi (5,296.79 km) |
| Cwmbran to Corcoran (California) | 5,267.60 mi (8,477.38 km) |
| Cwmbran to Cordele (Georgia) | 4,146.88 mi (6,673.75 km) |
