| Bargoed to Cookeville (Tennessee) | 4,006.20 mi (6,447.35 km) |
| Bargoed to Coolidge (Arizona) | 5,163.25 mi (8,309.45 km) |
| Bargoed to Coon Rapids (Minnesota) | 3,884.40 mi (6,251.33 km) |
| Bargoed to Cooper City (Florida) | 4,284.12 mi (6,894.63 km) |
| Bargoed to Coos Bay (Oregon) | 4,983.48 mi (8,020.14 km) |
| Bargoed to Copiague (New York) | 3,306.43 mi (5,321.18 km) |
| Bargoed to Coppell (Texas) | 4,619.81 mi (7,434.86 km) |
| Bargoed to Copperas Cove (Texas) | 4,750.81 mi (7,645.68 km) |
| Bargoed to Coral Gables (Florida) | 4,300.78 mi (6,921.44 km) |
| Bargoed to Coral Springs (Florida) | 4,271.70 mi (6,874.63 km) |
| Bargoed to Coral Terrace (Florida) | 4,300.04 mi (6,920.25 km) |
| Bargoed to Coralville (Iowa) | 3,982.49 mi (6,409.19 km) |
| Bargoed to Coram (New York) | 3,281.54 mi (5,281.14 km) |
| Bargoed to Corcoran (California) | 5,258.90 mi (8,463.38 km) |
| Bargoed to Cordele (Georgia) | 4,137.15 mi (6,658.10 km) |
