| Pontneddfechan to Columbia (Illinois) | 4,067.57 mi (6,546.13 km) |
| Pontneddfechan to Columbia (Maryland) | 3,497.49 mi (5,628.67 km) |
| Pontneddfechan to Columbia (Missouri) | 4,125.98 mi (6,640.13 km) |
| Pontneddfechan to Columbia (Pennsylvania) | 3,445.79 mi (5,545.46 km) |
| Pontneddfechan to Columbia (South Carolina) | 3,902.33 mi (6,280.19 km) |
| Pontneddfechan to Columbia (Tennessee) | 4,077.81 mi (6,562.60 km) |
| Pontneddfechan to Columbia Heights (Minnesota) | 3,872.95 mi (6,232.91 km) |
| Pontneddfechan to Columbine (Colorado) | 4,565.38 mi (7,347.27 km) |
| Pontneddfechan to Columbus (Georgia) | 4,140.32 mi (6,663.20 km) |
| Pontneddfechan to Columbus (Indiana) | 3,863.02 mi (6,216.93 km) |
| Pontneddfechan to Columbus (Mississippi) | 4,235.70 mi (6,816.70 km) |
| Pontneddfechan to Columbus (Nebraska) | 4,194.56 mi (6,750.49 km) |
| Pontneddfechan to Columbus (Ohio) | 3,710.62 mi (5,971.67 km) |
| Pontneddfechan to Commack (New York) | 3,279.02 mi (5,277.08 km) |
| Pontneddfechan to Commerce (California) | 5,316.79 mi (8,556.55 km) |
