| Porthcawl to Coldwater (Michigan) | 3,705.59 mi (5,963.58 km) |
| Porthcawl to Colesville (Maryland) | 3,510.10 mi (5,648.96 km) |
| Porthcawl to College (Alaska) | 4,172.97 mi (6,715.75 km) |
| Porthcawl to College Park (Georgia) | 4,069.68 mi (6,549.52 km) |
| Porthcawl to College Park (Maryland) | 3,510.72 mi (5,649.95 km) |
| Porthcawl to College Station (Texas) | 4,702.13 mi (7,567.35 km) |
| Porthcawl to Collegedale (Tennessee) | 4,025.92 mi (6,479.09 km) |
| Porthcawl to Colleyville (Texas) | 4,618.08 mi (7,432.09 km) |
| Porthcawl to Collierville (Tennessee) | 4,214.85 mi (6,783.14 km) |
| Porthcawl to Collinsville (Illinois) | 4,052.73 mi (6,522.24 km) |
| Porthcawl to Colonia (New Jersey) | 3,333.26 mi (5,364.36 km) |
| Porthcawl to Colonial Heights (Virginia) | 3,607.25 mi (5,805.30 km) |
| Porthcawl to Colonial Park (Pennsylvania) | 3,448.52 mi (5,549.86 km) |
| Porthcawl to Colorado Springs (Colorado) | 4,598.56 mi (7,400.66 km) |
| Porthcawl to Colton (California) | 5,294.58 mi (8,520.80 km) |
