| Abertawe to Cookeville (Tennessee) | 3,979.10 mi (6,403.74 km) |
| Abertawe to Coolidge (Arizona) | 5,140.87 mi (8,273.44 km) |
| Abertawe to Coon Rapids (Minnesota) | 3,861.20 mi (6,214.00 km) |
| Abertawe to Cooper City (Florida) | 4,254.56 mi (6,847.05 km) |
| Abertawe to Coos Bay (Oregon) | 4,967.28 mi (7,994.07 km) |
| Abertawe to Copiague (New York) | 3,278.48 mi (5,276.20 km) |
| Abertawe to Coppell (Texas) | 4,594.12 mi (7,393.53 km) |
| Abertawe to Copperas Cove (Texas) | 4,724.91 mi (7,604.02 km) |
| Abertawe to Coral Gables (Florida) | 4,271.17 mi (6,873.79 km) |
| Abertawe to Coral Springs (Florida) | 4,242.16 mi (6,827.09 km) |
| Abertawe to Coral Terrace (Florida) | 4,270.45 mi (6,872.62 km) |
| Abertawe to Coralville (Iowa) | 3,957.90 mi (6,369.63 km) |
| Abertawe to Coram (New York) | 3,253.59 mi (5,236.15 km) |
| Abertawe to Corcoran (California) | 5,239.46 mi (8,432.10 km) |
| Abertawe to Cordele (Georgia) | 4,108.93 mi (6,612.69 km) |
