| Llantwit Major to Culpeper (Virginia) | 3,588.42 mi (5,775.00 km) |
| Llantwit Major to Culver City (California) | 5,343.45 mi (8,599.44 km) |
| Llantwit Major to Cumberland (Maryland) | 3,567.20 mi (5,740.85 km) |
| Llantwit Major to Cupertino (California) | 5,272.99 mi (8,486.05 km) |
| Llantwit Major to Cutler Bay (Florida) | 4,302.33 mi (6,923.93 km) |
| Llantwit Major to Cutlerville (Michigan) | 3,702.83 mi (5,959.13 km) |
| Llantwit Major to Cuyahoga Falls (Ohio) | 3,612.58 mi (5,813.89 km) |
| Llantwit Major to Cypress (California) | 5,342.13 mi (8,597.33 km) |
| Llantwit Major to Cypress Gardens (Florida) | 4,238.66 mi (6,821.47 km) |
| Llantwit Major to Cypress Lake (Florida) | 4,320.79 mi (6,953.63 km) |
| Llantwit Major to D'Iberville (Mississippi) | 4,418.24 mi (7,110.47 km) |
| Llantwit Major to Dakota Ridge (Colorado) | 4,583.70 mi (7,376.75 km) |
| Llantwit Major to Dale City (Virginia) | 3,553.51 mi (5,718.82 km) |
| Llantwit Major to Dallas (Georgia) | 4,082.19 mi (6,569.65 km) |
| Llantwit Major to Dallas (Oregon) | 4,878.02 mi (7,850.42 km) |
