| Llanelli to University Place (Washington) | 4,693.97 mi (7,554.22 km) |
| Llanelli to Upland (California) | 5,277.56 mi (8,493.41 km) |
| Llanelli to Upper Arlington (Ohio) | 3,690.89 mi (5,939.91 km) |
| Llanelli to Upper Grand Lagoon (Florida) | 4,268.79 mi (6,869.95 km) |
| Llanelli to Upper Montclair (New Jersey) | 3,294.46 mi (5,301.93 km) |
| Llanelli to Urbana (Illinois) | 3,890.28 mi (6,260.80 km) |
| Llanelli to Urbana (Maryland) | 3,489.48 mi (5,615.77 km) |
| Llanelli to Urbana (Ohio) | 3,714.58 mi (5,978.04 km) |
| Llanelli to Urbandale (Iowa) | 4,033.10 mi (6,490.64 km) |
| Llanelli to Utica (New York) | 3,242.05 mi (5,217.58 km) |
| Llanelli to Uvalde (Texas) | 4,887.01 mi (7,864.89 km) |
| Llanelli to Vacaville (California) | 5,176.59 mi (8,330.92 km) |
| Llanelli to Vadnais Heights (Minnesota) | 3,847.82 mi (6,192.47 km) |
| Llanelli to Vail (Arizona) | 5,150.64 mi (8,289.16 km) |
| Llanelli to Valdosta (Georgia) | 4,132.57 mi (6,650.73 km) |
