| Llantwit Major to Centralia (Illinois) | 4,035.81 mi (6,495.02 km) |
| Llantwit Major to Centralia (Washington) | 4,766.94 mi (7,671.65 km) |
| Llantwit Major to Centreville (Virginia) | 3,548.85 mi (5,711.32 km) |
| Llantwit Major to Ceres (California) | 5,223.39 mi (8,406.23 km) |
| Llantwit Major to Cerritos (California) | 5,340.28 mi (8,594.36 km) |
| Llantwit Major to Chalco (Nebraska) | 4,178.23 mi (6,724.21 km) |
| Llantwit Major to Chalmette (Louisiana) | 4,488.47 mi (7,223.49 km) |
| Llantwit Major to Chambersburg (Pennsylvania) | 3,509.70 mi (5,648.32 km) |
| Llantwit Major to Chamblee (Georgia) | 4,061.36 mi (6,536.13 km) |
| Llantwit Major to Champaign (Illinois) | 3,927.94 mi (6,321.42 km) |
| Llantwit Major to Champlin (Minnesota) | 3,889.42 mi (6,259.42 km) |
| Llantwit Major to Chandler (Arizona) | 5,158.65 mi (8,302.05 km) |
| Llantwit Major to Chanhassen (Minnesota) | 3,910.16 mi (6,292.80 km) |
| Llantwit Major to Channahon (Illinois) | 3,867.25 mi (6,223.74 km) |
| Llantwit Major to Channelview (Texas) | 4,705.89 mi (7,573.39 km) |
