| Upminster to Lagoa | 1,083.46 mi (1,743.66 km) |
| Upminster to Lagoa | 1,574.16 mi (2,533.37 km) |
| Upminster to Lagos | 1,089.75 mi (1,753.78 km) |
| Upminster to Lamego | 817.21 mi (1,315.18 km) |
| Upminster to Leiria | 923.82 mi (1,486.74 km) |
| Upminster to Lisbon | 996.00 mi (1,602.91 km) |
| Upminster to Loule | 1,073.93 mi (1,728.33 km) |
| Upminster to Loures | 989.56 mi (1,592.55 km) |
| Upminster to Lourinha | 967.46 mi (1,556.98 km) |
| Upminster to Lousa | 888.82 mi (1,430.41 km) |
| Upminster to Lousada | 814.61 mi (1,310.99 km) |
| Upminster to Macedo de Cavaleiros | 771.40 mi (1,241.45 km) |
| Upminster to Mafamude | 834.56 mi (1,343.10 km) |
| Upminster to Mafra | 986.48 mi (1,587.59 km) |
| Upminster to Maia | 827.63 mi (1,331.94 km) |
