| Swansea to Lovington (New Mexico) | 842.43 mi (1,355.75 km) |
| Swansea to Lowell (Indiana) | 233.12 mi (375.18 km) |
| Swansea to Lowell (Massachusetts) | 1,016.72 mi (1,636.25 km) |
| Swansea to Lower Burrell (Pennsylvania) | 564.44 mi (908.38 km) |
| Swansea to Lowes Island (Virginia) | 680.60 mi (1,095.32 km) |
| Swansea to Lubbock (Texas) | 747.88 mi (1,203.60 km) |
| Swansea to Lufkin (Texas) | 566.89 mi (912.33 km) |
| Swansea to Luling (Louisiana) | 598.02 mi (962.41 km) |
| Swansea to Lumberton (North Carolina) | 665.37 mi (1,070.81 km) |
| Swansea to Lumberton (Texas) | 621.36 mi (999.99 km) |
| Swansea to Lutz (Florida) | 839.95 mi (1,351.77 km) |
| Swansea to Lynbrook (New York) | 879.12 mi (1,414.81 km) |
| Swansea to Lynchburg (Virginia) | 592.93 mi (954.23 km) |
| Swansea to Lynden (Washington) | 1,755.37 mi (2,825.00 km) |
| Swansea to Lyndhurst (Ohio) | 493.57 mi (794.33 km) |
