| Merriam to Lagoa | 4,499.71 mi (7,241.58 km) |
| Merriam to Lagoa | 3,648.69 mi (5,871.99 km) |
| Merriam to Lagos | 4,490.31 mi (7,226.45 km) |
| Merriam to Lamego | 4,389.61 mi (7,064.39 km) |
| Merriam to Leiria | 4,391.17 mi (7,066.90 km) |
| Merriam to Lisbon | 4,410.59 mi (7,098.16 km) |
| Merriam to Loule | 4,520.27 mi (7,274.67 km) |
| Merriam to Loures | 4,406.05 mi (7,090.85 km) |
| Merriam to Lourinha | 4,385.97 mi (7,058.54 km) |
| Merriam to Lousa | 4,403.96 mi (7,087.48 km) |
| Merriam to Lousada | 4,363.37 mi (7,022.17 km) |
| Merriam to Macedo de Cavaleiros | 4,412.61 mi (7,101.40 km) |
| Merriam to Mafamude | 4,353.24 mi (7,005.87 km) |
| Merriam to Mafra | 4,394.62 mi (7,072.46 km) |
| Merriam to Maia | 4,348.63 mi (6,998.44 km) |
