| Cwmbran to Commerce City (Colorado) | 4,567.13 mi (7,350.08 km) |
| Cwmbran to Compton (California) | 5,348.35 mi (8,607.34 km) |
| Cwmbran to Comstock Park (Michigan) | 3,704.18 mi (5,961.30 km) |
| Cwmbran to Concord (California) | 5,236.18 mi (8,426.81 km) |
| Cwmbran to Concord (Missouri) | 4,095.57 mi (6,591.18 km) |
| Cwmbran to Concord (New Hampshire) | 3,134.55 mi (5,044.57 km) |
| Cwmbran to Concord (North Carolina) | 3,852.43 mi (6,199.88 km) |
| Cwmbran to Conneaut (Ohio) | 3,552.95 mi (5,717.93 km) |
| Cwmbran to Connersville (Indiana) | 3,836.59 mi (6,174.39 km) |
| Cwmbran to Conroe (Texas) | 4,705.34 mi (7,572.52 km) |
| Cwmbran to Converse (Texas) | 4,859.58 mi (7,820.73 km) |
| Cwmbran to Conway (Arkansas) | 4,345.85 mi (6,993.97 km) |
| Cwmbran to Conway (Florida) | 4,215.40 mi (6,784.03 km) |
| Cwmbran to Conway (South Carolina) | 3,859.56 mi (6,211.36 km) |
| Cwmbran to Conyers (Georgia) | 4,073.26 mi (6,555.29 km) |
