| Llanelli to Cookeville (Tennessee) | 3,968.95 mi (6,387.41 km) |
| Llanelli to Coolidge (Arizona) | 5,130.70 mi (8,257.06 km) |
| Llanelli to Coon Rapids (Minnesota) | 3,850.99 mi (6,197.57 km) |
| Llanelli to Cooper City (Florida) | 4,244.94 mi (6,831.57 km) |
| Llanelli to Coos Bay (Oregon) | 4,957.76 mi (7,978.74 km) |
| Llanelli to Copiague (New York) | 3,268.44 mi (5,260.05 km) |
| Llanelli to Coppell (Texas) | 4,583.89 mi (7,377.06 km) |
| Llanelli to Copperas Cove (Texas) | 4,714.69 mi (7,587.56 km) |
| Llanelli to Coral Gables (Florida) | 4,261.57 mi (6,858.34 km) |
| Llanelli to Coral Springs (Florida) | 4,232.53 mi (6,811.60 km) |
| Llanelli to Coral Terrace (Florida) | 4,260.84 mi (6,857.16 km) |
| Llanelli to Coralville (Iowa) | 3,947.66 mi (6,353.14 km) |
| Llanelli to Coram (New York) | 3,243.56 mi (5,220.00 km) |
| Llanelli to Corcoran (California) | 5,229.53 mi (8,416.11 km) |
| Llanelli to Cordele (Georgia) | 4,098.94 mi (6,596.61 km) |
