| Swansea to Lombard (Illinois) | 252.04 mi (405.62 km) |
| Swansea to Lomita (California) | 1,607.30 mi (2,586.70 km) |
| Swansea to Lompoc (California) | 1,704.11 mi (2,742.50 km) |
| Swansea to London (Ohio) | 362.48 mi (583.36 km) |
| Swansea to Lone Tree (Colorado) | 800.75 mi (1,288.68 km) |
| Swansea to Long Beach (California) | 1,599.08 mi (2,573.47 km) |
| Swansea to Long Beach (Mississippi) | 567.79 mi (913.77 km) |
| Swansea to Long Beach (New York) | 879.21 mi (1,414.96 km) |
| Swansea to Long Branch (New Jersey) | 860.93 mi (1,385.53 km) |
| Swansea to Longmont (Colorado) | 814.14 mi (1,310.23 km) |
| Swansea to Longview (Texas) | 495.58 mi (797.56 km) |
| Swansea to Longview (Washington) | 1,749.46 mi (2,815.49 km) |
| Swansea to Longwood (Florida) | 841.70 mi (1,354.59 km) |
| Swansea to Lorain (Ohio) | 458.47 mi (737.84 km) |
| Swansea to Lorton (Virginia) | 688.80 mi (1,108.52 km) |
