| Central Islip to Lagoa | 3,407.48 mi (5,483.82 km) |
| Central Islip to Lagoa | 2,524.16 mi (4,062.24 km) |
| Central Islip to Lagos | 3,397.30 mi (5,467.43 km) |
| Central Islip to Lamego | 3,327.45 mi (5,355.02 km) |
| Central Islip to Leiria | 3,315.71 mi (5,336.12 km) |
| Central Islip to Lisbon | 3,326.87 mi (5,354.08 km) |
| Central Islip to Loule | 3,429.36 mi (5,519.02 km) |
| Central Islip to Loures | 3,323.02 mi (5,347.89 km) |
| Central Islip to Lourinha | 3,305.38 mi (5,319.50 km) |
| Central Islip to Lousa | 3,332.79 mi (5,363.61 km) |
| Central Islip to Lousada | 3,301.55 mi (5,313.33 km) |
| Central Islip to Macedo de Cavaleiros | 3,356.60 mi (5,401.93 km) |
| Central Islip to Mafamude | 3,288.86 mi (5,292.90 km) |
| Central Islip to Mafra | 3,311.89 mi (5,329.97 km) |
| Central Islip to Maia | 3,285.15 mi (5,286.95 km) |
