| Cwmbran to Centralia (Illinois) | 4,046.81 mi (6,512.71 km) |
| Cwmbran to Centralia (Washington) | 4,766.25 mi (7,670.54 km) |
| Cwmbran to Centreville (Virginia) | 3,562.67 mi (5,733.56 km) |
| Cwmbran to Ceres (California) | 5,225.76 mi (8,410.04 km) |
| Cwmbran to Cerritos (California) | 5,344.53 mi (8,601.19 km) |
| Cwmbran to Chalco (Nebraska) | 4,186.47 mi (6,737.47 km) |
| Cwmbran to Chalmette (Louisiana) | 4,501.97 mi (7,245.23 km) |
| Cwmbran to Chambersburg (Pennsylvania) | 3,523.05 mi (5,669.80 km) |
| Cwmbran to Chamblee (Georgia) | 4,075.16 mi (6,558.33 km) |
| Cwmbran to Champaign (Illinois) | 3,938.59 mi (6,338.54 km) |
| Cwmbran to Champlin (Minnesota) | 3,896.89 mi (6,271.43 km) |
| Cwmbran to Chandler (Arizona) | 5,164.96 mi (8,312.20 km) |
| Cwmbran to Chanhassen (Minnesota) | 3,917.71 mi (6,304.94 km) |
| Cwmbran to Channahon (Illinois) | 3,877.42 mi (6,240.10 km) |
| Cwmbran to Channelview (Texas) | 4,718.03 mi (7,592.94 km) |
