| Llanelli to Castle Rock (Colorado) | 4,550.96 mi (7,324.07 km) |
| Llanelli to Castro Valley (California) | 5,216.52 mi (8,395.18 km) |
| Llanelli to Catalina Foothills (Arizona) | 5,142.11 mi (8,275.42 km) |
| Llanelli to Cataño (Puerto Rico) | 4,032.89 mi (6,490.32 km) |
| Llanelli to Cathedral City (California) | 5,252.99 mi (8,453.87 km) |
| Llanelli to Catonsville (Maryland) | 3,467.56 mi (5,580.50 km) |
| Llanelli to Cave Spring (Virginia) | 3,693.74 mi (5,944.50 km) |
| Llanelli to Cayce (South Carolina) | 3,889.79 mi (6,260.01 km) |
| Llanelli to Cayey (Puerto Rico) | 4,050.78 mi (6,519.10 km) |
| Llanelli to Cedar City (Utah) | 4,927.13 mi (7,929.45 km) |
| Llanelli to Cedar Falls (Iowa) | 3,941.81 mi (6,343.73 km) |
| Llanelli to Cedar Hill (Texas) | 4,602.18 mi (7,406.49 km) |
| Llanelli to Cedar Lake (Indiana) | 3,802.75 mi (6,119.93 km) |
| Llanelli to Cedar Mill (Oregon) | 4,795.17 mi (7,717.08 km) |
| Llanelli to Cedar Park (Texas) | 4,742.37 mi (7,632.10 km) |
