| Cwmbran to Cicero (Illinois) | 3,838.65 mi (6,177.71 km) |
| Cwmbran to Cimarron Hills (Colorado) | 4,614.02 mi (7,425.55 km) |
| Cwmbran to Cincinnati (Ohio) | 3,835.16 mi (6,172.09 km) |
| Cwmbran to Cinco Ranch (Texas) | 4,746.54 mi (7,638.81 km) |
| Cwmbran to Circleville (Ohio) | 3,750.99 mi (6,036.63 km) |
| Cwmbran to Citrus (California) | 5,324.59 mi (8,569.10 km) |
| Cwmbran to Citrus Heights (California) | 5,173.14 mi (8,325.37 km) |
| Cwmbran to Citrus Park (Florida) | 4,288.40 mi (6,901.51 km) |
| Cwmbran to Claiborne (Louisiana) | 4,461.67 mi (7,180.37 km) |
| Cwmbran to Claremont (California) | 5,318.28 mi (8,558.95 km) |
| Cwmbran to Claremont (New Hampshire) | 3,160.24 mi (5,085.92 km) |
| Cwmbran to Claremore (Oklahoma) | 4,406.50 mi (7,091.58 km) |
| Cwmbran to Clarksburg (Maryland) | 3,538.39 mi (5,694.49 km) |
| Cwmbran to Clarksburg (West Virginia) | 3,660.30 mi (5,890.68 km) |
| Cwmbran to Clarksdale (Mississippi) | 4,314.08 mi (6,942.84 km) |
