| South Houston to Lagoa | 4,854.85 mi (7,813.12 km) |
| South Houston to Lagoa | 3,950.96 mi (6,358.46 km) |
| South Houston to Lagos | 4,844.34 mi (7,796.22 km) |
| South Houston to Lamego | 4,782.50 mi (7,696.69 km) |
| South Houston to Leiria | 4,768.76 mi (7,674.57 km) |
| South Houston to Lisbon | 4,777.70 mi (7,688.96 km) |
| South Houston to Loule | 4,877.22 mi (7,849.13 km) |
| South Houston to Loures | 4,774.08 mi (7,683.14 km) |
| South Houston to Lourinha | 4,757.19 mi (7,655.95 km) |
| South Houston to Lousa | 4,786.65 mi (7,703.37 km) |
| South Houston to Lousada | 4,756.65 mi (7,655.08 km) |
| South Houston to Macedo de Cavaleiros | 4,812.05 mi (7,744.25 km) |
| South Houston to Mafamude | 4,743.72 mi (7,634.27 km) |
| South Houston to Mafra | 4,763.07 mi (7,665.41 km) |
| South Houston to Maia | 4,740.11 mi (7,628.48 km) |
