| Swansea to Lagoa | 4,290.45 mi (6,904.82 km) |
| Swansea to Lagoa | 3,424.01 mi (5,510.41 km) |
| Swansea to Lagos | 4,280.72 mi (6,889.16 km) |
| Swansea to Lamego | 4,191.55 mi (6,745.65 km) |
| Swansea to Leiria | 4,188.27 mi (6,740.36 km) |
| Swansea to Lisbon | 4,204.58 mi (6,766.62 km) |
| Swansea to Loule | 4,311.57 mi (6,938.80 km) |
| Swansea to Loures | 4,200.30 mi (6,759.73 km) |
| Swansea to Lourinha | 4,181.13 mi (6,728.87 km) |
| Swansea to Lousa | 4,202.67 mi (6,763.54 km) |
| Swansea to Lousada | 4,165.38 mi (6,703.53 km) |
| Swansea to Macedo de Cavaleiros | 4,216.76 mi (6,786.22 km) |
| Swansea to Mafamude | 4,154.32 mi (6,685.73 km) |
| Swansea to Mafra | 4,188.97 mi (6,741.50 km) |
| Swansea to Maia | 4,150.02 mi (6,678.81 km) |
