| Porthcawl to Cedar Rapids (Iowa) | 3,962.84 mi (6,377.57 km) |
| Porthcawl to Cedarburg (Wisconsin) | 3,761.24 mi (6,053.14 km) |
| Porthcawl to Celebration (Florida) | 4,207.75 mi (6,771.71 km) |
| Porthcawl to Celina (Ohio) | 3,750.73 mi (6,036.21 km) |
| Porthcawl to Celina (Texas) | 4,582.63 mi (7,375.03 km) |
| Porthcawl to Centennial (Colorado) | 4,565.05 mi (7,346.74 km) |
| Porthcawl to Center Point (Alabama) | 4,160.64 mi (6,695.91 km) |
| Porthcawl to Centereach (New York) | 3,270.59 mi (5,263.51 km) |
| Porthcawl to Centerton (Arkansas) | 4,332.84 mi (6,973.04 km) |
| Porthcawl to Centerville (Ohio) | 3,775.77 mi (6,076.52 km) |
| Porthcawl to Centerville (Utah) | 4,736.59 mi (7,622.80 km) |
| Porthcawl to Central (Louisiana) | 4,491.08 mi (7,227.69 km) |
| Porthcawl to Central Falls (Rhode Island) | 3,158.18 mi (5,082.60 km) |
| Porthcawl to Central Islip (New York) | 3,278.81 mi (5,276.74 km) |
| Porthcawl to Central Point (Oregon) | 5,000.86 mi (8,048.10 km) |
