| Seraing to Lagoa | 1,758.67 mi (2,830.30 km) |
| Seraing to Lagos | 1,164.66 mi (1,874.34 km) |
| Seraing to Lamego | 913.68 mi (1,470.43 km) |
| Seraing to Leiria | 1,019.03 mi (1,639.97 km) |
| Seraing to Lisbon | 1,086.76 mi (1,748.98 km) |
| Seraing to Loule | 1,142.30 mi (1,838.35 km) |
| Seraing to Loures | 1,081.30 mi (1,740.18 km) |
| Seraing to Lourinha | 1,063.58 mi (1,711.66 km) |
| Seraing to Lousa | 981.25 mi (1,579.17 km) |
| Seraing to Lousada | 917.68 mi (1,476.86 km) |
| Seraing to Macedo de Cavaleiros | 862.29 mi (1,387.72 km) |
| Seraing to Mafamude | 939.72 mi (1,512.34 km) |
| Seraing to Mafra | 1,080.66 mi (1,739.15 km) |
| Seraing to Maia | 934.05 mi (1,503.20 km) |
| Seraing to Mangualde | 938.73 mi (1,510.75 km) |
