| Waltham to Lagoa | 3,278.70 mi (5,276.56 km) |
| Waltham to Lagoa | 2,406.17 mi (3,872.36 km) |
| Waltham to Lagos | 3,268.71 mi (5,260.48 km) |
| Waltham to Lamego | 3,192.30 mi (5,137.51 km) |
| Waltham to Leiria | 3,183.03 mi (5,122.59 km) |
| Waltham to Lisbon | 3,195.96 mi (5,143.41 km) |
| Waltham to Loule | 3,300.26 mi (5,311.26 km) |
| Waltham to Loures | 3,191.96 mi (5,136.96 km) |
| Waltham to Lourinha | 3,173.76 mi (5,107.67 km) |
| Waltham to Lousa | 3,199.28 mi (5,148.75 km) |
| Waltham to Lousada | 3,166.30 mi (5,095.67 km) |
| Waltham to Macedo de Cavaleiros | 3,220.46 mi (5,182.83 km) |
| Waltham to Mafamude | 3,154.04 mi (5,075.94 km) |
| Waltham to Mafra | 3,180.75 mi (5,118.92 km) |
| Waltham to Maia | 3,150.18 mi (5,069.72 km) |
