| Llantrisant to Culpeper (Virginia) | 3,589.87 mi (5,777.33 km) |
| Llantrisant to Culver City (California) | 5,340.78 mi (8,595.15 km) |
| Llantrisant to Cumberland (Maryland) | 3,568.36 mi (5,742.72 km) |
| Llantrisant to Cupertino (California) | 5,269.55 mi (8,480.53 km) |
| Llantrisant to Cutler Bay (Florida) | 4,305.44 mi (6,928.94 km) |
| Llantrisant to Cutlerville (Michigan) | 3,702.68 mi (5,958.89 km) |
| Llantrisant to Cuyahoga Falls (Ohio) | 3,613.17 mi (5,814.83 km) |
| Llantrisant to Cypress (California) | 5,339.53 mi (8,593.14 km) |
| Llantrisant to Cypress Gardens (Florida) | 4,241.28 mi (6,825.68 km) |
| Llantrisant to Cypress Lake (Florida) | 4,323.57 mi (6,958.12 km) |
| Llantrisant to D'Iberville (Mississippi) | 4,419.61 mi (7,112.68 km) |
| Llantrisant to Dakota Ridge (Colorado) | 4,581.92 mi (7,373.89 km) |
| Llantrisant to Dale City (Virginia) | 3,555.00 mi (5,721.22 km) |
| Llantrisant to Dallas (Georgia) | 4,083.56 mi (6,571.86 km) |
| Llantrisant to Dallas (Oregon) | 4,873.70 mi (7,843.47 km) |
