| Bargoed to Clarkston (Georgia) | 4,066.45 mi (6,544.33 km) |
| Bargoed to Clarksville (Indiana) | 3,913.87 mi (6,298.76 km) |
| Bargoed to Clarksville (Tennessee) | 4,059.72 mi (6,533.49 km) |
| Bargoed to Clawson (Michigan) | 3,618.68 mi (5,823.70 km) |
| Bargoed to Clay (Alabama) | 4,169.00 mi (6,709.36 km) |
| Bargoed to Clayton (California) | 5,227.33 mi (8,412.58 km) |
| Bargoed to Clayton (Missouri) | 4,078.57 mi (6,563.82 km) |
| Bargoed to Clayton (North Carolina) | 3,739.72 mi (6,018.49 km) |
| Bargoed to Clayton (Ohio) | 3,785.03 mi (6,091.42 km) |
| Bargoed to Clearfield (Utah) | 4,737.41 mi (7,624.12 km) |
| Bargoed to Clearlake (California) | 5,190.34 mi (8,353.04 km) |
| Bargoed to Clearwater (Florida) | 4,291.80 mi (6,906.99 km) |
| Bargoed to Cleburne (Texas) | 4,667.49 mi (7,511.60 km) |
| Bargoed to Clemmons (North Carolina) | 3,802.45 mi (6,119.46 km) |
| Bargoed to Clemson (South Carolina) | 3,965.94 mi (6,382.56 km) |
