| Houston to Lagoa | 4,858.36 mi (7,818.77 km) |
| Houston to Lagoa | 3,955.37 mi (6,365.55 km) |
| Houston to Lagos | 4,847.88 mi (7,801.90 km) |
| Houston to Lamego | 4,785.11 mi (7,700.90 km) |
| Houston to Leiria | 4,771.73 mi (7,679.36 km) |
| Houston to Lisbon | 4,780.92 mi (7,694.14 km) |
| Houston to Loule | 4,880.70 mi (7,854.72 km) |
| Houston to Loures | 4,777.28 mi (7,688.29 km) |
| Houston to Lourinha | 4,760.31 mi (7,660.97 km) |
| Houston to Lousa | 4,789.51 mi (7,707.96 km) |
| Houston to Lousada | 4,759.24 mi (7,659.26 km) |
| Houston to Macedo de Cavaleiros | 4,814.51 mi (7,748.21 km) |
| Houston to Mafamude | 4,746.38 mi (7,638.56 km) |
| Houston to Mafra | 4,766.25 mi (7,670.54 km) |
| Houston to Maia | 4,742.75 mi (7,632.72 km) |
