| Porthcawl to Columbia (Illinois) | 4,071.34 mi (6,552.18 km) |
| Porthcawl to Columbia (Maryland) | 3,498.63 mi (5,630.49 km) |
| Porthcawl to Columbia (Missouri) | 4,130.33 mi (6,647.12 km) |
| Porthcawl to Columbia (Pennsylvania) | 3,447.13 mi (5,547.62 km) |
| Porthcawl to Columbia (South Carolina) | 3,902.74 mi (6,280.86 km) |
| Porthcawl to Columbia (Tennessee) | 4,080.09 mi (6,566.26 km) |
| Porthcawl to Columbia Heights (Minnesota) | 3,879.20 mi (6,242.97 km) |
| Porthcawl to Columbine (Colorado) | 4,572.48 mi (7,358.70 km) |
| Porthcawl to Columbus (Georgia) | 4,141.22 mi (6,664.65 km) |
| Porthcawl to Columbus (Indiana) | 3,866.10 mi (6,221.89 km) |
| Porthcawl to Columbus (Mississippi) | 4,237.69 mi (6,819.91 km) |
| Porthcawl to Columbus (Nebraska) | 4,200.59 mi (6,760.20 km) |
| Porthcawl to Columbus (Ohio) | 3,713.32 mi (5,976.01 km) |
| Porthcawl to Commack (New York) | 3,279.96 mi (5,278.59 km) |
| Porthcawl to Commerce (California) | 5,325.44 mi (8,570.47 km) |
