| Llanelli to Clarkston (Georgia) | 4,028.60 mi (6,483.40 km) |
| Llanelli to Clarksville (Indiana) | 3,877.12 mi (6,239.63 km) |
| Llanelli to Clarksville (Tennessee) | 4,022.85 mi (6,474.16 km) |
| Llanelli to Clawson (Michigan) | 3,582.56 mi (5,765.57 km) |
| Llanelli to Clay (Alabama) | 4,131.46 mi (6,648.94 km) |
| Llanelli to Clayton (California) | 5,199.24 mi (8,367.37 km) |
| Llanelli to Clayton (Missouri) | 4,042.69 mi (6,506.08 km) |
| Llanelli to Clayton (North Carolina) | 3,701.43 mi (5,956.88 km) |
| Llanelli to Clayton (Ohio) | 3,748.41 mi (6,032.49 km) |
| Llanelli to Clearfield (Utah) | 4,707.25 mi (7,575.58 km) |
| Llanelli to Clearlake (California) | 5,162.76 mi (8,308.67 km) |
| Llanelli to Clearwater (Florida) | 4,252.99 mi (6,844.53 km) |
| Llanelli to Cleburne (Texas) | 4,631.53 mi (7,453.73 km) |
| Llanelli to Clemmons (North Carolina) | 3,764.47 mi (6,058.33 km) |
| Llanelli to Clemson (South Carolina) | 3,928.04 mi (6,321.56 km) |
