| Llanelli to Port Chester (New York) | 3,265.65 mi (5,255.56 km) |
| Llanelli to Port Hueneme (California) | 5,326.33 mi (8,571.90 km) |
| Llanelli to Port Huron (Michigan) | 3,535.13 mi (5,689.25 km) |
| Llanelli to Port Lavaca (Texas) | 4,792.74 mi (7,713.16 km) |
| Llanelli to Port Neches (Texas) | 4,614.93 mi (7,427.02 km) |
| Llanelli to Port Orange (Florida) | 4,123.11 mi (6,635.51 km) |
| Llanelli to Port Orchard (Washington) | 4,680.29 mi (7,532.20 km) |
| Llanelli to Port Royal (South Carolina) | 3,951.66 mi (6,359.59 km) |
| Llanelli to Port Salerno (Florida) | 4,185.68 mi (6,736.20 km) |
| Llanelli to Port St. John (Florida) | 4,145.83 mi (6,672.07 km) |
| Llanelli to Port St. Lucie (Florida) | 4,187.46 mi (6,739.07 km) |
| Llanelli to Port Washington (New York) | 3,273.56 mi (5,268.28 km) |
| Llanelli to Port Washington (Wisconsin) | 3,728.97 mi (6,001.20 km) |
| Llanelli to Port Wentworth (Georgia) | 3,980.17 mi (6,405.47 km) |
| Llanelli to Portage (Indiana) | 3,782.82 mi (6,087.87 km) |
