| Llanelli to Columbia (Illinois) | 4,047.06 mi (6,513.11 km) |
| Llanelli to Columbia (Maryland) | 3,475.20 mi (5,592.79 km) |
| Llanelli to Columbia (Missouri) | 4,105.92 mi (6,607.84 km) |
| Llanelli to Columbia (Pennsylvania) | 3,423.62 mi (5,509.78 km) |
| Llanelli to Columbia (South Carolina) | 3,879.63 mi (6,243.66 km) |
| Llanelli to Columbia (Tennessee) | 4,056.24 mi (6,527.88 km) |
| Llanelli to Columbia Heights (Minnesota) | 3,854.52 mi (6,203.26 km) |
| Llanelli to Columbine (Colorado) | 4,547.76 mi (7,318.92 km) |
| Llanelli to Columbus (Georgia) | 4,117.89 mi (6,627.11 km) |
| Llanelli to Columbus (Indiana) | 3,842.00 mi (6,183.10 km) |
| Llanelli to Columbus (Mississippi) | 4,213.94 mi (6,781.68 km) |
| Llanelli to Columbus (Nebraska) | 4,175.93 mi (6,720.51 km) |
| Llanelli to Columbus (Ohio) | 3,689.34 mi (5,937.41 km) |
| Llanelli to Commack (New York) | 3,256.61 mi (5,241.01 km) |
| Llanelli to Commerce (California) | 5,300.79 mi (8,530.80 km) |
