| Llantwit Major to Crest Hill (Illinois) | 3,854.62 mi (6,203.40 km) |
| Llantwit Major to Crestview (Florida) | 4,308.42 mi (6,933.74 km) |
| Llantwit Major to Crestwood (Illinois) | 3,836.81 mi (6,174.75 km) |
| Llantwit Major to Crestwood (Missouri) | 4,083.56 mi (6,571.86 km) |
| Llantwit Major to Creve Coeur (Missouri) | 4,081.11 mi (6,567.91 km) |
| Llantwit Major to Crofton (Maryland) | 3,509.73 mi (5,648.37 km) |
| Llantwit Major to Crossville (Tennessee) | 3,992.80 mi (6,425.79 km) |
| Llantwit Major to Crowley (Louisiana) | 4,573.28 mi (7,359.98 km) |
| Llantwit Major to Crowley (Texas) | 4,652.82 mi (7,487.99 km) |
| Llantwit Major to Crown Point (Indiana) | 3,831.97 mi (6,166.96 km) |
| Llantwit Major to Crystal (Minnesota) | 3,894.37 mi (6,267.39 km) |
| Llantwit Major to Crystal Lake (Illinois) | 3,833.16 mi (6,168.87 km) |
| Llantwit Major to Cudahy (California) | 5,338.74 mi (8,591.87 km) |
| Llantwit Major to Cudahy (Wisconsin) | 3,782.82 mi (6,087.86 km) |
| Llantwit Major to Cullman (Alabama) | 4,151.60 mi (6,681.36 km) |
